/* ===================================
   RENVEX - Waste Oil to Renewable Fuel
   Modern & Accessible Design System
   =================================== */

/* CSS Variables - Design Tokens */
:root {
    /* Eco-friendly Colors - Calming & Trustworthy */
    --color-green-primary: #22C55E;
    --color-green-light: #86EFAC;
    --color-green-dark: #15803D;
    --color-green-50: #F0FDF4;
    --color-blue-primary: #0EA5E9;
    --color-blue-light: #7DD3FC;
    --color-blue-dark: #0369A1;
    --color-blue-50: #F0F9FF;

    /* Earthy Accent */
    --color-amber: #F59E0B;
    --color-amber-light: #FDE68A;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-green-primary) 0%, var(--color-blue-primary) 100%);
    --gradient-hero: linear-gradient(160deg, #064E3B 0%, #0C4A6E 50%, #1E1B4B 100%);
    --gradient-eco: linear-gradient(135deg, var(--color-green-50) 0%, var(--color-blue-50) 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;

    /* 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;

    /* Border Radius - Softer, friendlier */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Shadows - Soft & Natural */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.12);
    --shadow-glow-green: 0 0 40px rgba(34, 197, 94, 0.25);
    --shadow-glow-blue: 0 0 40px rgba(14, 165, 233, 0.25);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.05);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

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

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
    list-style: none;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 3px solid var(--color-green-primary);
    outline-offset: 2px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-gray-900);
}

h1 {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
}

h2 {
    font-size: clamp(1.875rem, 4vw, 2.75rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

h4 {
    font-size: 1.125rem;
}

p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

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

/* ===================================
   BUTTONS - Modern & Accessible
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md), var(--shadow-glow-green);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-green);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-gray-900);
    border-color: var(--color-white);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp:hover {
    background: #20BD5A;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.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 rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 72px;
    width: auto;
}

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

.nav-links {
    display: flex;
    gap: var(--space-xs);
}

.nav-links a {
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 0.9375rem;
}

.nav-links a:hover {
    color: var(--color-green-primary);
    background: var(--color-green-50);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--color-green-dark);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-green-50);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav-phone:hover {
    background: var(--color-green-100);
}

.nav-phone svg {
    width: 18px;
    height: 18px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-gray-800);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ===================================
   HERO SECTION - Immersive & Eco-focused
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(34, 197, 94, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 50%);
}

/* Floating Shapes Animation */
.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    animation: float 25s ease-in-out infinite;
    background: linear-gradient(135deg, var(--color-green-primary) 0%, var(--color-blue-primary) 100%);
}

.hero-shape:nth-child(1) {
    width: 500px;
    height: 500px;
    top: -150px;
    right: -150px;
    animation-delay: 0s;
}

.hero-shape:nth-child(2) {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    animation-delay: -8s;
}

.hero-shape:nth-child(3) {
    width: 250px;
    height: 250px;
    top: 40%;
    left: 25%;
    animation-delay: -15s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg) scale(1);
    }

    33% {
        transform: translateY(-20px) rotate(5deg) scale(1.02);
    }

    66% {
        transform: translateY(10px) rotate(-3deg) scale(0.98);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-green-light);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(10px);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--color-green-light) 0%, var(--color-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.25rem;
    margin-bottom: var(--space-2xl);
    max-width: 540px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    padding: var(--space-4xl) 0;
    background: var(--gradient-eco);
    position: relative;
}

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

.section-subtitle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-green-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(34, 197, 94, 0.1);
    border-radius: var(--radius-full);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-description {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-eco);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-base);
}

.service-card:hover .service-icon::after {
    opacity: 0.15;
}

.service-icon svg {
    width: 36px;
    height: 36px;
    stroke: var(--color-green-primary);
}

.service-card h3 {
    margin-bottom: var(--space-sm);
}

.service-card p {
    margin-bottom: 0;
    line-height: 1.7;
}

/* ===================================
   HOW IT WORKS SECTION
   =================================== */
.how-it-works {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.step {
    text-align: center;
    position: relative;
    padding: var(--space-lg);
}

.step-number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto var(--space-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow-green);
    position: relative;
}

.step h3 {
    margin-bottom: var(--space-sm);
}

.step p {
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* Connector Lines */
.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 56px;
    left: calc(50% + 50px);
    width: calc(100% - 80px);
    height: 3px;
    background: linear-gradient(90deg, var(--color-green-primary), var(--color-blue-primary));
    opacity: 0.25;
    border-radius: 2px;
}

/* ===================================
   CERTIFICATES SECTION
   =================================== */
.certificates {
    padding: var(--space-4xl) 0;
    background: var(--gradient-hero);
    position: relative;
}

.certificates::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 70%, rgba(34, 197, 94, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
}

.certificates .container {
    position: relative;
    z-index: 1;
}

.certificates .section-subtitle {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-green-light);
}

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

.certificates .section-description {
    color: rgba(255, 255, 255, 0.75);
}

.certificates-content {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    margin-top: var(--space-2xl);
}

.certificate-item {
    text-align: center;
    padding: var(--space-2xl);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    flex: 1;
    min-width: 280px;
    max-width: 350px;
}

.certificate-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.certificate-item img {
    max-width: 200px;
    height: auto;
    margin: 0 auto var(--space-lg);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
}

.certificate-item h4 {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
}

.certificate-item p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ===================================
   FORM SECTION - Multi-Step Wizard
   =================================== */
.collection-form {
    padding: var(--space-4xl) 0;
    background: var(--gradient-eco);
}

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

.form-info {
    padding-right: var(--space-xl);
}

.form-info h2 {
    margin-bottom: var(--space-lg);
    font-size: 2.25rem;
}

.form-info>p {
    margin-bottom: var(--space-2xl);
    font-size: 1.125rem;
    line-height: 1.8;
}

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

.form-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.form-feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.form-feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-eco);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.form-feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-green-primary);
}

.form-feature h4 {
    margin-bottom: 4px;
    font-size: 1rem;
}

.form-feature p {
    font-size: 0.875rem;
    margin-bottom: 0;
    color: var(--color-gray-500);
}

/* Form Card - Modern Glassmorphism */
.form-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.form-card h3 {
    text-align: center;
    margin-bottom: var(--space-xl);
    font-size: 1.5rem;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--space-sm);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background: var(--color-gray-50);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-green-primary);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.1);
    background: var(--color-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

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

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

.form-submit {
    width: 100%;
    margin-top: var(--space-md);
    padding: 1.125rem 2rem;
    font-size: 1.0625rem;
}

.form-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: var(--space-md);
    margin-bottom: 0;
}

/* Turnstile */
.cf-turnstile {
    display: flex;
    justify-content: center;
    margin: var(--space-lg) 0;
}

/* Form Messages */
.form-message {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    text-align: center;
    margin-top: var(--space-lg);
    display: none;
    font-weight: 500;
}

.form-message.success {
    background: var(--color-green-50);
    color: var(--color-green-dark);
    border: 1px solid var(--color-green-light);
    display: block;
}

.form-message.error {
    background: #FEF2F2;
    color: #B91C1C;
    border: 1px solid #FECACA;
    display: block;
}

/* Loading Spinner */
.spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

.btn.loading .btn-text {
    visibility: hidden;
}

.btn.loading .spinner {
    display: block;
    position: absolute;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--space-lg);
}

.contact-info>p {
    margin-bottom: var(--space-2xl);
    font-size: 1.0625rem;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    background: var(--gradient-eco);
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-green-primary);
}

.contact-item h4 {
    margin-bottom: 4px;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item p {
    margin-bottom: 0;
    color: var(--color-gray-800);
    font-weight: 500;
}

.contact-item a {
    color: var(--color-gray-800);
}

.contact-item a:hover {
    color: var(--color-green-primary);
}

.contact-map-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.contact-map {
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 420px;
    position: relative;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.map-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    pointer-events: none;
}

.map-overlay img {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.map-overlay span {
    color: var(--color-white);
    font-weight: 600;
    font-size: 1rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Contact CTA Box */
.contact-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-2xl);
    background: var(--gradient-primary);
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-cta-content h4 {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: 4px;
}

.contact-cta-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.contact-cta-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.btn-sm {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
}

.btn-sm svg {
    width: 18px;
    height: 18px;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-brand img {
    height: 48px;
    margin-bottom: var(--space-lg);
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    line-height: 1.8;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    font-size: 1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    padding: var(--space-xs) 0;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-green-light);
    padding-left: var(--space-sm);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    stroke: var(--color-green-light);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom p {
    font-size: 0.875rem;
    margin-bottom: 0;
}

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

.footer-social a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-800);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-green-primary);
    transform: translateY(-2px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
    fill: var(--color-gray-400);
}

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

/* Footer Credit */
.footer-credit {
    text-align: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-800);
}

.footer-credit p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 0;
}

.footer-credit a {
    color: var(--color-green-light);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-credit a:hover {
    color: var(--color-green-primary);
}

/* ===================================
   REVEAL ANIMATIONS
   =================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations */
.services-grid .reveal:nth-child(1) {
    transition-delay: 0s;
}

.services-grid .reveal:nth-child(2) {
    transition-delay: 0.1s;
}

.services-grid .reveal:nth-child(3) {
    transition-delay: 0.2s;
}

.services-grid .reveal:nth-child(4) {
    transition-delay: 0.3s;
}

.services-grid .reveal:nth-child(5) {
    transition-delay: 0.4s;
}

.services-grid .reveal:nth-child(6) {
    transition-delay: 0.5s;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .form-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .form-info {
        padding-right: 0;
        text-align: center;
    }

    .form-features {
        justify-content: center;
    }

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

    .contact-map {
        height: 350px;
    }

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

    .step:nth-child(2)::after {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--space-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        padding: var(--space-md);
        text-align: center;
    }

    .nav-phone {
        display: none;
    }

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

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

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

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

    .steps-container {
        grid-template-columns: 1fr;
    }

    .step::after {
        display: none !important;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .certificates-content {
        flex-direction: column;
        align-items: center;
    }

    .certificate-item {
        max-width: 100%;
    }

    /* Contact CTA responsive */
    .contact-cta {
        flex-direction: column;
        text-align: center;
        padding: var(--space-lg);
    }

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

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

    .map-overlay {
        justify-content: center;
    }

    .contact-map {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .form-card {
        padding: var(--space-lg);
    }
}

/* ===================================
   ACCESSIBILITY IMPROVEMENTS
   =================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-gray-600: #333;
        --color-gray-500: #444;
    }

    .btn-outline {
        border-width: 3px;
    }
}

/* Print styles */
@media print {

    .header,
    .hero-shapes,
    .form-card,
    .footer-social {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: var(--space-2xl) 0;
    }
}