/* ═══════════════════════════════════════════════════════════
   CSS VARIABLES - Brand Manual Niro Growth
   ═══════════════════════════════════════════════════════════ */
:root {
    /* Colores Primarios */
    --coral-50: #FDF5F4;
    --coral-100: #FCE8E7;
    --coral-200: #F9D5D3;
    --coral-300: #F2B8B4;
    --coral-400: #EBABA7;
    --coral-500: #E07A74;
    --coral-600: #D4635C;
    --coral-700: #C95F59;
    --coral-800: #A84D48;
    --coral-900: #7D3936;

    --teal-50: #E8F7F9;
    --teal-100: #D0EFF4;
    --teal-200: #A8E4ED;
    --teal-300: #7DD4E3;
    --teal-400: #5FC4D5;
    --teal-500: #43AFC5;
    --teal-600: #3299AD;
    --teal-700: #25576B;
    --teal-800: #1F4558;
    --teal-900: #183544;

    --navy-50: #E8ECF0;
    --navy-100: #C4CED8;
    --navy-200: #9FB1C0;
    --navy-300: #8A9CAD;
    --navy-400: #566A7C;
    --navy-500: #3D5164;
    --navy-600: #2A4055;
    --navy-700: #1F3446;
    --navy-800: #172836;
    --navy-900: #0F1C26;

    /* Neutrales */
    --gray-50: #FAFBFC;
    --gray-100: #F4F6F8;
    --gray-200: #E9EDF2;
    --gray-300: #D5DCE4;
    --gray-400: #A8B5C4;
    --gray-500: #7A8A9C;
    --gray-600: #5C6B7A;
    --gray-700: #414D5A;
    --gray-800: #2D363F;
    --gray-900: #1A1F25;
    --white: #FFFFFF;
    --black: #0A0C0E;

    /* Semantic */
    --success: #10B981;
    --success-light: #D1FAE5;
    --error: #EF4444;
    --error-light: #FEE2E2;

    /* Gradientes */
    --gradient-brand: linear-gradient(135deg, var(--coral-500) 0%, var(--teal-500) 100%);
    --gradient-coral: linear-gradient(135deg, var(--coral-400) 0%, var(--coral-600) 100%);
    --gradient-teal: linear-gradient(135deg, var(--teal-400) 0%, var(--teal-600) 100%);
    --gradient-subtle: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 50%, var(--teal-50) 100%);
    --gradient-dark: linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);

    /* Tipografía */
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Tamaños de texto */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;

    /* Espaciado */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(26, 31, 37, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(26, 31, 37, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(26, 31, 37, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(26, 31, 37, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(26, 31, 37, 0.15);
    --shadow-coral: 0 10px 40px -10px rgba(224, 115, 108, 0.4);
    --shadow-teal: 0 10px 40px -10px rgba(67, 175, 197, 0.4);
    --shadow-glow-coral: 0 0 40px rgba(224, 122, 116, 0.15);
    --shadow-glow-teal: 0 0 40px rgba(67, 175, 197, 0.2);

    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* ═══════════════════════════════════════════════════════════
   RESET Y BASE - SOLUCIÓN OVERFLOW
   ═══════════════════════════════════════════════════════════ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--navy-700);
    background: var(--white);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* PAGE WRAPPER - Contenedor maestro */
.page-wrapper {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    position: relative;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul,
ol {
    list-style: none;
}

img,
svg,
video {
    max-width: 100%;
    height: auto;
}

::selection {
    background: var(--coral-400);
    color: var(--white);
}

/* ═══════════════════════════════════════════════════════════
   UTILIDADES
   ═══════════════════════════════════════════════════════════ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.gradient-text {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ═══════════════════════════════════════════════════════════
   TIPOGRAFÍA
   ═══════════════════════════════════════════════════════════ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    color: var(--navy-800);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

h1 {
    font-size: clamp(2.5rem, 6vw, var(--text-7xl));
}

/* ═══════════════════════════════════════════════════════════
   BOTONES
   ═══════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

/* WhatsApp icon should use fill, not stroke */
.btn svg[viewBox="0 0 16 16"] path {
    fill: currentColor;
    stroke: none;
}

.btn-primary {
    background: var(--gradient-teal);
    color: var(--white);
    box-shadow: var(--shadow-teal);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 44px -10px rgba(67, 175, 197, 0.5);
}

.btn-coral {
    background: var(--gradient-coral);
    color: var(--white);
    box-shadow: var(--shadow-coral);
}

.btn-coral:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 44px -10px rgba(224, 115, 108, 0.5);
}

.btn-coral:hover svg {
    transform: translateX(3px);
}

.btn-ghost {
    background: transparent;
    color: var(--navy-600);
    padding: var(--space-4) var(--space-6);
}

.btn-ghost:hover {
    color: var(--teal-600);
    background: var(--teal-50);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
}

/* ═══════════════════════════════════════════════════════════
   HEADER / NAVEGACIÓN
   ═══════════════════════════════════════════════════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--navy-800);
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: var(--gradient-brand);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--navy-700);
    background: var(--gray-50);
}

.nav-cta {
    margin-left: var(--space-4);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    transition: background var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: var(--gray-100);
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--navy-700);
    position: relative;
    transition: all var(--transition-base);
}

.mobile-menu-btn span::before,
.mobile-menu-btn span::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    left: 0;
    transition: inherit;
}

.mobile-menu-btn span::before {
    top: -7px;
}

.mobile-menu-btn span::after {
    top: 7px;
}

.mobile-menu-btn.active span {
    background: transparent;
}

.mobile-menu-btn.active span::before {
    top: 0;
    transform: rotate(45deg);
    background: var(--navy-700);
}

.mobile-menu-btn.active span::after {
    top: 0;
    transform: rotate(-45deg);
    background: var(--navy-700);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: var(--space-6);
    overflow-y: auto;
    z-index: 999;
}

.mobile-nav.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.mobile-nav-link {
    display: block;
    padding: var(--space-4);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--navy-700);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
    background: var(--gray-50);
    color: var(--teal-600);
}

.mobile-nav-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-200);
}

.mobile-nav-cta .btn {
    width: 100%;
}

/* ═══════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: var(--gradient-subtle);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 820px;
    padding: 0 var(--space-4);
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-600);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-8);
    border: 1px solid var(--gray-100);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
    flex-shrink: 0;
}

.hero-title {
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: clamp(var(--text-lg), 2.2vw, var(--text-xl));
    color: var(--gray-600);
    margin-bottom: var(--space-10);
    line-height: 1.8;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle strong {
    color: var(--navy-700);
    font-weight: 600;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
}

.hero-stats {
    display: inline-flex;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-6) var(--space-10);
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
}

.hero-stat {
    text-align: center;
    padding: 0 var(--space-4);
}

.hero-stat:not(:last-child) {
    border-right: 1px solid var(--gray-200);
    padding-right: var(--space-8);
}

.hero-stat-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-1);
    color: var(--navy-800);
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: var(--gray-500);
    font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════
   SECTION HEADERS
   ═══════════════════════════════════════════════════════════ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    position: relative;
    z-index: 1;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

.section-header--light .section-title,
.section-header--process .section-title,
.section-header--faq .section-title {
    color: var(--navy-800);
}

.section-header--dark .section-title {
    color: var(--white);
}

.section-header--dark .section-title .highlight {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    line-height: 1.8;
    max-width: 580px;
    margin: 0 auto;
}

.section-header--light .section-subtitle,
.section-header--process .section-subtitle,
.section-header--faq .section-subtitle {
    color: var(--gray-600);
}

.section-header--dark .section-subtitle {
    color: var(--gray-400);
}

.section-header--dark .section-subtitle strong {
    color: var(--white);
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════
   BADGES
   ═══════════════════════════════════════════════════════════ */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-6);
}

.section-badge svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.section-badge--light {
    background: var(--white);
    color: var(--gray-600);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.section-badge--coral {
    background: var(--coral-50);
    color: var(--coral-600);
    border: 1px solid var(--coral-100);
}

.section-badge--coral svg {
    stroke: var(--coral-500);
}

.section-badge--teal {
    background: var(--white);
    color: var(--teal-600);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--teal-100);
}

.section-badge--teal svg {
    stroke: var(--teal-500);
}

.section-badge--dark {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    color: var(--coral-300);
    border: 1px solid rgba(224, 122, 116, 0.2);
}

.section-badge--dark svg {
    stroke: var(--coral-400);
}

.section-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.section-badge-dot--gradient {
    background: var(--gradient-brand);
}

.section-badge-dot--success {
    background: var(--success);
}

/* ═══════════════════════════════════════════════════════════
   SECCIÓN PROBLEMAS
   ═══════════════════════════════════════════════════════════ */
.section-problems {
    padding: var(--space-24) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    position: relative;
    z-index: 1;
}

.problem-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.problem-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(224, 122, 116, 0.2);
    box-shadow: var(--shadow-glow-coral);
}

.problem-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.problem-icon {
    width: 48px;
    height: 48px;
    background: rgba(224, 122, 116, 0.12);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    border: 1px solid rgba(224, 122, 116, 0.15);
    flex-shrink: 0;
}

.problem-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--coral-400);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all var(--transition-fast);
}

.problem-card:hover .problem-icon {
    background: var(--gradient-coral);
    border-color: transparent;
    box-shadow: 0 8px 24px -8px rgba(224, 122, 116, 0.4);
}

.problem-card:hover .problem-icon svg {
    stroke: var(--white);
}

.problem-quote {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-300);
    line-height: 1.6;
    font-style: italic;
    position: relative;
    padding-left: var(--space-4);
}

.problem-quote::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-coral);
    border-radius: 2px;
}

.problem-solution {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: rgba(67, 175, 197, 0.08);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(67, 175, 197, 0.12);
    margin-top: auto;
    transition: all var(--transition-base);
}

.problem-card:hover .problem-solution {
    background: rgba(67, 175, 197, 0.12);
    border-color: rgba(67, 175, 197, 0.2);
}

.solution-check {
    width: 22px;
    height: 22px;
    min-width: 22px;
    background: var(--gradient-teal);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
    box-shadow: 0 4px 12px -4px rgba(67, 175, 197, 0.5);
    flex-shrink: 0;
}

.solution-check svg {
    width: 12px;
    height: 12px;
    stroke: var(--white);
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.problem-solution-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--teal-300);
    line-height: 1.5;
}

/* CTA de sección */
.section-cta-block {
    text-align: center;
    margin-top: var(--space-16);
    position: relative;
    z-index: 1;
}

.section-cta-text {
    font-size: 1.125rem;
    color: var(--gray-400);
    margin-bottom: var(--space-6);
}

.section-cta-text strong {
    color: var(--white);
}

/* ═══════════════════════════════════════════════════════════
   SECCIÓN SERVICIOS
   ═══════════════════════════════════════════════════════════ */
.section-services {
    padding: var(--space-20) 0;
    background: var(--gradient-subtle);
    position: relative;
    overflow: hidden;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    position: relative;
    z-index: 1;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--teal-400);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--teal-50);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--teal-600);
    stroke-width: 1.5;
    transition: color var(--transition-fast);
}

.service-card:hover .service-icon {
    background: var(--gradient-teal);
}

.service-card:hover .service-icon svg {
    color: var(--white);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--navy-800);
    margin-bottom: var(--space-3);
}

.service-desc {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: var(--space-6);
    flex-grow: 1;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--navy-700);
}

.feature-tag svg {
    width: 14px;
    height: 14px;
    color: var(--teal-500);
    flex-shrink: 0;
}

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--coral-600);
    text-decoration: none;
    transition: gap var(--transition-fast);
    margin-top: auto;
}

.service-cta svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.service-cta:hover {
    gap: var(--space-3);
}

.service-cta:hover svg {
    transform: translateX(2px);
}

/* ═══════════════════════════════════════════════════════════
   SECCIÓN WHY NIRO
   ═══════════════════════════════════════════════════════════ */
.section-why-niro {
    padding: var(--space-24) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.why-niro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
    position: relative;
    z-index: 1;
}

.why-niro-content {
    padding-right: var(--space-8);
}

.why-niro-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--navy-800);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-5);
}

.why-niro-lead {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-10);
}

/* Diferenciadores */
.differentiators {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.differentiator {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.differentiator-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--gradient-teal);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-teal);
    flex-shrink: 0;
}

.differentiator-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--white);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.differentiator-content h4 {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--navy-800);
    margin-bottom: var(--space-1);
}

.differentiator-content p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* Comparison Card */
.comparison-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-200);
    position: relative;
}

.comparison-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: var(--space-8);
    right: var(--space-8);
    height: 4px;
    background: var(--gradient-brand);
    border-radius: 0 0 4px 4px;
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--gray-200);
}

.comparison-header-icon {
    width: 40px;
    height: 40px;
    background: var(--teal-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.comparison-header-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--teal-600);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.comparison-header h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--navy-800);
    margin: 0;
}

.comparison-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
}

.comparison-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.comparison-icon svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.comparison-icon.yes {
    background: var(--success-light);
}

.comparison-icon.yes svg {
    stroke: var(--success);
}

.comparison-icon.no {
    background: var(--error-light);
}

.comparison-icon.no svg {
    stroke: var(--error);
}

.comparison-text {
    font-size: 0.9375rem;
    color: var(--navy-700);
    line-height: 1.5;
}

.comparison-text.negative {
    color: var(--gray-500);
}

/* Guarantees */
.guarantees {
    background: var(--navy-800);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.guarantees-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 1;
}

.guarantees-header span {
    font-size: 1.25rem;
}

.guarantees-header h5 {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--white);
    margin: 0;
    letter-spacing: 0.5px;
}

.guarantees-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    position: relative;
    z-index: 1;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.guarantee-item svg {
    width: 18px;
    height: 18px;
    min-width: 18px;
    stroke: var(--teal-400);
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.guarantee-item span {
    font-size: 0.875rem;
    color: var(--gray-300);
    line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════
   SECCIÓN PROCESO
   ═══════════════════════════════════════════════════════════ */
.section-process {
    padding: var(--space-24) 0;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    position: relative;
    z-index: 1;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--teal-600);
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--teal-100);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.process-step:hover .step-number {
    background: var(--gradient-teal);
    color: var(--white);
    border-color: transparent;
    transform: scale(1.1);
    box-shadow: 0 12px 24px -8px rgba(67, 175, 197, 0.4);
}

.process-step:nth-child(3) .step-number,
.process-step:nth-child(4) .step-number {
    color: var(--coral-600);
    border-color: var(--coral-100);
}

.process-step:nth-child(3):hover .step-number,
.process-step:nth-child(4):hover .step-number {
    background: var(--gradient-coral);
    box-shadow: 0 12px 24px -8px rgba(224, 122, 116, 0.4);
}

.step-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    width: 100%;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.process-step:hover .step-content {
    border-color: var(--teal-200);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.process-step:nth-child(3):hover .step-content,
.process-step:nth-child(4):hover .step-content {
    border-color: var(--coral-200);
}

/* Continuous Connecting Line - Desktop */
.process-grid {
    position: relative;
}

.process-grid::before {
    content: '';
    position: absolute;
    top: 28px;
    /* Center of the 56px circle */
    left: 12.5%;
    /* Center of first column (1/4 * 50%) */
    width: 75%;
    /* Spans from first to last column center */
    height: 2px;
    background: var(--gradient-brand);
    opacity: 0.35;
    z-index: 0;
}

/* Ensure step number is on top of the line */
.step-number {
    position: relative;
    z-index: 2;
    background: var(--white);
}

.step-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--navy-800);
    margin-bottom: var(--space-3);
}

.step-description {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin: 0;
}

.process-cta {
    text-align: center;
    margin-top: var(--space-16);
    position: relative;
    z-index: 1;
}

.process-cta-text {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--space-5);
}

.process-cta-text strong {
    color: var(--navy-800);
}

/* ═══════════════════════════════════════════════════════════
   SECCIÓN TESTIMONIOS
   ═══════════════════════════════════════════════════════════ */
.section-testimonials {
    padding: var(--space-24) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.testimonials-wrapper {
    position: relative;
    z-index: 1;
}

/* Featured Testimonial */
.testimonial-featured {
    background: var(--navy-800);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    margin-bottom: var(--space-8);
    position: relative;
    overflow: hidden;
}

.testimonial-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-brand);
}

.testimonial-featured-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-10);
    align-items: center;
}

.testimonial-featured-content {
    position: relative;
    z-index: 1;
}

/* Stars */
.testimonial-stars {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-5);
}

.testimonial-stars svg {
    width: 20px;
    height: 20px;
    fill: #FBBF24;
    stroke: none;
    flex-shrink: 0;
}

.testimonial-featured .testimonial-stars svg {
    width: 22px;
    height: 22px;
}

/* Quote */
.testimonial-quote {
    font-size: 1.375rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--white);
    margin-bottom: var(--space-6);
}

/* Result Badge */
.testimonial-result {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(16, 185, 129, 0.15);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.testimonial-result svg {
    width: 16px;
    height: 16px;
    stroke: var(--success);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.testimonial-result span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--success);
}

/* Author */
.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    background: var(--gradient-brand);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
}

.testimonial-featured .testimonial-avatar {
    width: 64px;
    height: 64px;
    font-size: 1.25rem;
}

.testimonial-author-info h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-1);
}

.testimonial-author-info p {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin: 0;
}

/* Featured Visual */
.testimonial-featured-visual {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    min-width: 180px;
}

.featured-metric-value {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-2);
}

.featured-metric-label {
    font-size: 0.875rem;
    color: var(--gray-400);
}

/* Testimonials Grid */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.testimonial-card {
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--teal-200);
}

.testimonial-card .testimonial-quote {
    font-size: 1.0625rem;
    color: var(--navy-700);
    margin-bottom: var(--space-5);
}

.testimonial-card .testimonial-author-info h4 {
    color: var(--navy-800);
}

.testimonial-card .testimonial-author-info p {
    color: var(--gray-500);
}

.testimonial-card .testimonial-result {
    background: var(--teal-50);
    margin-bottom: var(--space-5);
}

.testimonial-card .testimonial-result span {
    color: var(--teal-700);
}

.testimonial-card .testimonial-result svg {
    stroke: var(--teal-600);
}

/* Trust Strip */
.trust-strip {
    margin-top: var(--space-16);
    padding-top: var(--space-12);
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.trust-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-6);
}

.trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-10);
    flex-wrap: wrap;
}

.trust-logo {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.trust-logo:hover {
    color: var(--navy-600);
}

/* ═══════════════════════════════════════════════════════════
   SECCIÓN FAQ
   ═══════════════════════════════════════════════════════════ */
.section-faq {
    padding: var(--space-24) 0;
    background: var(--gradient-subtle);
    position: relative;
    overflow: hidden;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
    position: relative;
    z-index: 1;
    align-items: start;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--teal-200);
    box-shadow: var(--shadow-md);
}

.faq-item.active {
    border-color: var(--teal-400);
    box-shadow: var(--shadow-lg);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: background var(--transition-base);
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-item.active .faq-question {
    background: var(--teal-50);
}

.faq-question-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy-800);
    line-height: 1.4;
    flex: 1;
}

.faq-item.active .faq-question-text {
    color: var(--teal-700);
}

.faq-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--gray-400);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-item.active .faq-icon svg {
    stroke: var(--teal-600);
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--transition-base);
}

.faq-item.active .faq-answer {
    grid-template-rows: 1fr;
}

.faq-answer-inner {
    overflow: hidden;
}

.faq-answer-content {
    padding: 0 var(--space-6) var(--space-6);
}

.faq-answer-text {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin: 0;
}

.faq-answer-text strong {
    color: var(--navy-700);
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════
   SECCIÓN CTA FINAL
   ═══════════════════════════════════════════════════════════ */
.section-cta-final {
    padding: var(--space-24) 0;
    background: var(--navy-900);
    position: relative;
    overflow: hidden;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--teal-400);
    margin-bottom: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-badge svg {
    width: 18px;
    height: 18px;
    stroke: var(--teal-400);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

.cta-description {
    font-size: 1.125rem;
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: var(--space-10);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9375rem;
    color: var(--gray-400);
}

.cta-feature svg {
    width: 18px;
    height: 18px;
    stroke: var(--teal-500);
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.footer {
    background: var(--navy-800);
    padding: var(--space-16) 0 0;
    position: relative;
    overflow: hidden;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    margin-bottom: var(--space-4);
    transition: opacity var(--transition-base);
}

.footer-logo:hover {
    opacity: 0.8;
}

.footer-logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-brand);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--white);
    flex-shrink: 0;
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
    stroke: var(--gray-400);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke var(--transition-base);
}

.footer-social a:hover svg {
    stroke: var(--white);
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-5);
    letter-spacing: 0.02em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-contact-item svg {
    width: 18px;
    height: 18px;
    stroke: var(--teal-500);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-contact-item span {
    font-size: 0.9375rem;
    color: var(--gray-400);
}

/* Newsletter */
.footer-newsletter {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-newsletter h4 {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-2);
}

.footer-newsletter p {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--space-4);
}

.newsletter-form {
    display: flex;
    gap: var(--space-2);
}

.newsletter-form input {
    flex: 1;
    min-width: 0;
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--white);
    outline: none;
    transition: all var(--transition-base);
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

.newsletter-form input:focus {
    border-color: var(--teal-500);
    background: rgba(255, 255, 255, 0.08);
}

.newsletter-form button {
    padding: var(--space-3) var(--space-5);
    background: var(--gradient-teal);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    flex-shrink: 0;
}

.newsletter-form button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-teal);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6) 0;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-6);
}

.footer-bottom-links a {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-bottom-links a:hover {
    color: var(--white);
}

/* ═══════════════════════════════════════════════════════════
   ANIMACIONES
   ═══════════════════════════════════════════════════════════ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Hero Animations */
.hero-content>* {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.hero-badge {
    animation-delay: 0s;
}

.hero-title {
    animation-delay: 0.1s;
}

.hero-subtitle {
    animation-delay: 0.2s;
}

.hero-cta {
    animation-delay: 0.3s;
}

.hero-stats {
    animation-delay: 0.4s;
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll[data-delay="1"] {
    transition-delay: 0.1s;
}

.animate-on-scroll[data-delay="2"] {
    transition-delay: 0.15s;
}

.animate-on-scroll[data-delay="3"] {
    transition-delay: 0.2s;
}

.animate-on-scroll[data-delay="4"] {
    transition-delay: 0.25s;
}

.animate-on-scroll[data-delay="5"] {
    transition-delay: 0.3s;
}

.animate-on-scroll[data-delay="6"] {
    transition-delay: 0.35s;
}

/* Process Step Animations */
.process-step {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.process-step.visible {
    opacity: 1;
    transform: translateY(0);
}

.process-step:nth-child(1) {
    transition-delay: 0.1s;
}

.process-step:nth-child(2) {
    transition-delay: 0.2s;
}

.process-step:nth-child(3) {
    transition-delay: 0.3s;
}

.process-step:nth-child(4) {
    transition-delay: 0.4s;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE - TABLET
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {

    .nav-list,
    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-niro-grid {
        gap: var(--space-12);
    }

    .why-niro-content {
        padding-right: var(--space-4);
    }

    .testimonial-featured-inner {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .testimonial-featured-visual {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-10);
    }

    .footer-brand {
        grid-column: span 2;
        max-width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE - TABLET PEQUEÑO
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
    }

    .section-services {
        padding: var(--space-16) 0;
    }

    .section-why-niro {
        padding: var(--space-20) 0;
    }

    .why-niro-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .why-niro-content {
        padding-right: 0;
        max-width: 600px;
    }

    .comparison-card {
        max-width: 520px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8) var(--space-6);
    }

    /* Hide continuous line on tablet (2x2 grid makes continuous line complex) */
    .process-grid::before {
        display: none;
    }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE - MÓVIL
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-6);
        width: 100%;
        max-width: 280px;
    }

    .hero-stat {
        padding: var(--space-2) 0;
    }

    .hero-stat:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding-right: 0;
        padding-bottom: var(--space-4);
    }

    .section-problems {
        padding: var(--space-20) 0;
    }

    .problems-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
        gap: var(--space-4);
    }

    .section-process {
        padding: var(--space-20) 0;
    }

    .process-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
        gap: 0;
    }

    .process-step {
        flex-direction: row;
        text-align: left;
        gap: var(--space-5);
        padding: var(--space-4) 0;
    }

    .step-number {
        width: 56px;
        height: 56px;
        min-width: 56px;
        margin-bottom: 0;
        z-index: 2;
        position: relative;
    }

    /* Vertical Continuous Line for Mobile */
    .process-grid::before {
        display: block;
        top: 28px;
        /* Center of first circle */
        left: 28px;
        /* Center of circle (56px / 2) */
        width: 2px;
        height: calc(100% - 56px);
        /* Full height minus last circle */
        background: var(--gradient-brand);
        opacity: 0.35;
        z-index: 0;
        transform: translateX(-50%);
    }

    .step-content {
        flex: 1;
    }

    .section-testimonials {
        padding: var(--space-20) 0;
    }

    .testimonial-featured {
        padding: var(--space-8);
    }

    .testimonial-quote {
        font-size: 1.125rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .trust-logos {
        gap: var(--space-6);
    }

    .trust-logo {
        font-size: 1rem;
    }

    .section-cta-final {
        padding: var(--space-20) 0;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE - MÓVIL PEQUEÑO
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
    :root {
        --container-padding: 1rem;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
        white-space: normal;
        text-align: center;
    }

    .hero-badge {
        font-size: var(--text-xs);
    }

    .section-services,
    .section-problems,
    .section-faq,
    .section-process,
    .section-testimonials,
    .section-cta-final {
        padding: var(--space-16) 0;
    }

    .service-card {
        padding: var(--space-6);
    }

    .problem-card {
        padding: var(--space-5);
    }

    .section-cta-block {
        margin-top: var(--space-12);
    }

    .section-why-niro {
        padding: var(--space-16) 0;
    }

    .why-niro-title {
        font-size: 1.75rem;
    }

    .differentiator {
        gap: var(--space-3);
    }

    .differentiator-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
    }

    .differentiator-icon svg {
        width: 22px;
        height: 22px;
    }

    .comparison-card {
        padding: var(--space-6);
    }

    .guarantees {
        padding: var(--space-5);
    }

    .process-grid {
        max-width: 100%;
    }

    .step-number {
        width: 48px;
        height: 48px;
        min-width: 48px;
        font-size: 1.125rem;
    }

    .step-content {
        padding: var(--space-5);
    }

    .step-title {
        font-size: 1rem;
    }

    .step-description {
        font-size: 0.875rem;
    }

    .process-cta {
        margin-top: var(--space-12);
    }

    .testimonial-featured {
        padding: var(--space-6);
    }

    .testimonial-quote {
        font-size: 1rem;
    }

    .testimonial-card {
        padding: var(--space-6);
    }

    .testimonial-author {
        gap: var(--space-3);
    }

    .testimonial-avatar {
        width: 48px;
        height: 48px;
        font-size: 1rem;
    }

    .testimonial-featured .testimonial-avatar {
        width: 52px;
        height: 52px;
    }

    .trust-strip {
        margin-top: var(--space-12);
        padding-top: var(--space-8);
    }

    .faq-question {
        padding: var(--space-4) var(--space-5);
    }

    .faq-question-text {
        font-size: 0.9375rem;
    }

    .faq-answer-content {
        padding: 0 var(--space-5) var(--space-5);
    }

    .cta-features {
        flex-direction: column;
        gap: var(--space-3);
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }

    /* Botones - permitir salto de línea */
    .btn {
        white-space: normal;
        text-align: center;
        height: auto;
        min-height: 48px;
    }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE - MÓVIL MUY PEQUEÑO
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 480px) {
    :root {
        --container-padding: 0.875rem;
    }

    h1,
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    .hero-stats {
        max-width: 100%;
    }

    .hero-stat-number {
        font-size: var(--text-2xl);
    }

    .problem-quote {
        font-size: 0.875rem;
    }

    .problem-solution-text {
        font-size: 0.8125rem;
    }

    .service-title {
        font-size: 1.25rem;
    }

    .service-desc {
        font-size: 0.9375rem;
    }

    .comparison-text {
        font-size: 0.875rem;
    }

    .guarantee-item span {
        font-size: 0.8125rem;
    }
}

/* ═══════════════════════════════════════════════════════════
   FLOATING WHATSAPP
   ═══════════════════════════════════════════════════════════ */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}