/* ========================================
   GELO FRIO — Design System & Styles
   Modernization Project v1.0
   ======================================== */

/* ---------- CSS VARIABLES ---------- */
:root {
    /* Colors — Ice/Cold palette */
    --color-primary: #0ea5e9;
    --color-primary-dark: #0284c7;
    --color-primary-light: #38bdf8;
    --color-primary-50: #f0f9ff;
    --color-primary-100: #e0f2fe;
    --color-primary-900: #0c4a6e;

    --color-accent: #06b6d4;
    --color-accent-dark: #0891b2;

    /* Neutrals */
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-bg-card: #ffffff;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    /* Success / Warning */
    --color-success: #22c55e;
    --color-whatsapp: #25d366;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.15);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max: 1200px;
    --navbar-height: 72px;
}

/* ---------- RESET & BASE ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-height);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ---------- CONTAINER ---------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ---------- TYPOGRAPHY ---------- */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-muted {
    color: var(--color-text-muted);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-primary-50);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    letter-spacing: 0.02em;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- ICONS ---------- */
.icon--xs { width: 14px; height: 14px; }
.icon--sm { width: 18px; height: 18px; }
.icon--md { width: 24px; height: 24px; }
.icon--lg { width: 32px; height: 32px; }

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    text-decoration: none;
}

.btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn--full {
    width: 100%;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
    color: white;
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn--ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-50);
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--navbar-height);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.navbar--scrolled {
    box-shadow: var(--shadow-md);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar__brand {
    text-decoration: none;
    color: var(--color-text);
}

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

.navbar__logo-icon {
    font-size: 1.8rem;
}

.navbar__name {
    display: block;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--color-text);
    line-height: 1.2;
}

.navbar__tagline {
    display: block;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

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

.navbar__links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.navbar__links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.navbar__links a:hover {
    color: var(--color-primary);
}

.navbar__links a:hover::after {
    width: 100%;
}

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

.navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.navbar__hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.navbar__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar__hamburger.active span:nth-child(2) {
    opacity: 0;
}

.navbar__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--navbar-height) + var(--space-3xl));
    padding-bottom: var(--space-4xl);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.hero__glow--1 {
    width: 600px;
    height: 600px;
    background: var(--color-primary-light);
    top: -200px;
    right: -100px;
}

.hero__glow--2 {
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    bottom: -100px;
    left: -100px;
    opacity: 0.2;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-primary-50);
    border: 1px solid var(--color-primary-100);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease-out;
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero__subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero__stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero__stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.hero__stat-number::after {
    content: '+';
    font-size: 1.2rem;
}

.hero__stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-top: var(--space-xs);
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* ========================================
   PROBLEMS (Pain Points)
   ======================================== */
.problems {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.problems__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.problem-card {
    padding: var(--space-xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-100);
}

.problem-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-primary-50);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.problem-card__icon i {
    width: 28px;
    height: 28px;
}

.problem-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.problem-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ========================================
   SERVICES
   ======================================== */
.services {
    padding: var(--space-4xl) 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.service-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-100);
}

.service-card--highlight {
    border: 2px solid var(--color-primary);
    background: linear-gradient(180deg, var(--color-primary-50) 0%, var(--color-bg) 30%);
}

.service-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-primary-50);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.service-card__icon i {
    width: 32px;
    height: 32px;
}

.service-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.service-card__list {
    flex: 1;
    margin-bottom: var(--space-lg);
}

.service-card__list li {
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.service-card__list li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.8rem;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
}

.service-card__link:hover {
    gap: var(--space-sm);
}

/* Guarantee bar */
.services__guarantee {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

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

.guarantee-item i {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.guarantee-item strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.guarantee-item span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ========================================
   PROCESS
   ======================================== */
.process {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-alt);
}

.process__steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
}

.process-step {
    flex: 1;
    text-align: center;
    padding: var(--space-lg);
}

.process-step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    font-weight: 800;
    font-size: 1.2rem;
    border-radius: 50%;
    margin-bottom: var(--space-md);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.process-step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.process-step p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.process-step__connector {
    width: 60px;
    height: 2px;
    background: var(--color-primary-100);
    margin-top: 28px;
    flex-shrink: 0;
}

/* ========================================
   ABOUT
   ======================================== */
.about {
    padding: var(--space-4xl) 0;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about__text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about__text strong {
    color: var(--color-text);
}

.about__highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.about__highlight {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary-50);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary-dark);
}

.about__highlight i {
    color: var(--color-primary);
    flex-shrink: 0;
}

.about__card {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1e293b 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    color: white;
    box-shadow: var(--shadow-xl);
}

.about__card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.about__card-emoji {
    font-size: 2.5rem;
}

.about__card-header h4 {
    font-size: 1.3rem;
    font-weight: 700;
}

.about__card-header span {
    font-size: 0.8rem;
    opacity: 0.6;
}

.about__card-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.timeline-year {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-primary-light);
    min-width: 80px;
}

.timeline-event {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-alt);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.testimonial-card {
    padding: var(--space-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.testimonial-card__stars {
    color: #fbbf24;
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    letter-spacing: 2px;
}

.testimonial-card__text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: var(--space-lg);
    border: none;
    padding: 0;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-card__avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-card__author strong {
    display: block;
    font-size: 0.9rem;
}

.testimonial-card__author span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ========================================
   COVERAGE
   ======================================== */
.coverage {
    padding: var(--space-4xl) 0;
}

.coverage__content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.coverage__map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.coverage__list h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.coverage__cities {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.coverage__city {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.coverage__city--main {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    border-color: transparent;
    font-weight: 600;
}

.coverage__note {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: var(--space-md);
    background: var(--color-primary-50);
    border-radius: var(--radius-md);
}

.coverage__note i {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ========================================
   FAQ
   ======================================== */
.faq {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-alt);
}

.faq__grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.faq__item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq__item:hover {
    border-color: var(--color-primary-100);
}

.faq__item[open] {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.faq__item summary {
    padding: var(--space-lg) var(--space-xl);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    list-style: none;
}

.faq__item summary::-webkit-details-marker {
    display: none;
}

.faq__item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 300;
    transition: transform var(--transition-base);
}

.faq__item[open] summary::after {
    transform: rotate(45deg);
}

.faq__item p {
    padding: 0 var(--space-xl) var(--space-lg);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   CONTACT
   ======================================== */
.contact {
    padding: var(--space-4xl) 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact__desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.contact__channels {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.contact__channel {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--color-text);
}

.contact__channel:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-50);
    color: var(--color-text);
    transform: translateX(4px);
}

.contact__channel--whatsapp {
    background: rgba(37, 211, 102, 0.05);
    border-color: rgba(37, 211, 102, 0.2);
}

.contact__channel--whatsapp:hover {
    background: rgba(37, 211, 102, 0.1);
    border-color: var(--color-whatsapp);
}

.contact__channel i {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact__channel--whatsapp i {
    color: var(--color-whatsapp);
}

.contact__channel strong {
    display: block;
    font-size: 0.95rem;
}

.contact__channel span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.contact__channel-badge {
    margin-left: auto;
    padding: 2px 10px;
    background: var(--color-whatsapp);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.contact__address {
    margin-bottom: var(--space-lg);
}

.contact__hours {
    padding: var(--space-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.contact__hours h4 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.contact__hours-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-sm) var(--space-lg);
    font-size: 0.85rem;
}

/* Form */
.contact__form-wrapper {
    position: relative;
}

.contact__form {
    padding: var(--space-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.contact__form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.contact__form > p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    background: var(--color-bg);
    color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form__note {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.form__note i {
    color: var(--color-success);
}

.contact__form-success {
    text-align: center;
    padding: var(--space-3xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-success);
}

.success-icon {
    color: var(--color-success);
    margin-bottom: var(--space-lg);
}

.success-icon i {
    width: 64px;
    height: 64px;
}

.contact__form-success h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.contact__form-success p {
    color: var(--color-text-secondary);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-bg-dark);
    color: white;
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer__brand p {
    font-size: 0.85rem;
    opacity: 0.6;
    margin-top: var(--space-md);
    line-height: 1.6;
}

.footer__links h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    opacity: 0.9;
}

.footer__links li {
    margin-bottom: var(--space-sm);
}

.footer__links a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: white;
}

.footer__social h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    opacity: 0.9;
}

.footer__social-links {
    display: flex;
    gap: var(--space-md);
}

.footer__social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all var(--transition-base);
}

.footer__social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.footer__social-links a i {
    width: 18px;
    height: 18px;
}

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* ========================================
   WHATSAPP FLOAT
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
    color: white;
}

.whatsapp-float i {
    width: 28px;
    height: 28px;
}

.whatsapp-float__tooltip {
    position: absolute;
    right: 72px;
    white-space: nowrap;
    background: var(--color-bg-dark);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
    }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: 1fr;
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

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

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

@media (max-width: 768px) {
    .navbar__links {
        display: none;
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-md);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }

    .navbar__links.active {
        display: flex;
    }

    .navbar__hamburger {
        display: flex;
    }

    .navbar__cta {
        display: none;
    }

    .hero__stats {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }

    .hero__stat-divider {
        width: 40px;
        height: 1px;
    }

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

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

    .process__steps {
        flex-direction: column;
        align-items: stretch;
    }

    .process-step__connector {
        width: 2px;
        height: 30px;
        margin: 0 auto;
    }

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

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

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

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero__ctas {
        flex-direction: column;
    }

    .hero__ctas .btn {
        width: 100%;
    }
}