/* ===== DESIGN TOKENS ===== */
:root {
    --blue-900: #0f2a47;
    --blue-800: #153d66;
    --blue-700: #1a4f82;
    --blue-600: #1e5f9b;
    --blue-500: #2570b0;
    --blue-400: #3d8fd4;
    --blue-300: #6fb0e3;
    --blue-200: #a3d0f0;
    --blue-100: #d6ebfa;
    --blue-50: #eef6fd;

    --gray-900: #1a1a2e;
    --gray-800: #2d2d44;
    --gray-700: #4a4a5e;
    --gray-600: #6b6b7b;
    --gray-500: #8c8c9a;
    --gray-400: #a8a8b4;
    --gray-300: #c5c5ce;
    --gray-200: #e0e0e6;
    --gray-100: #f0f0f4;
    --gray-50: #f8f8fb;

    --white: #ffffff;
    --whatsapp: #25D366;
    --facebook: #1877F2;

    --gradient-primary: linear-gradient(135deg, var(--blue-700), var(--blue-500));
    --gradient-hero: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 50%, var(--blue-500) 100%);
    --gradient-dark: linear-gradient(180deg, var(--gray-900) 0%, var(--blue-900) 100%);
    --gradient-text: linear-gradient(135deg, var(--blue-300), var(--blue-100));

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 40px rgba(37, 112, 176, 0.15);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.7;
    width: 100%;
    position: relative;
    padding-top: 80px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

ul {
    list-style: none;
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: var(--blue-50);
    color: var(--blue-600);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--blue-900);
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--gray-600);
    font-size: 1.1rem;
    margin-top: 12px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 99999;
    padding: 12px 0;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 15px rgba(0, 0, 0, 0.06);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 64px;
    transition: var(--transition);
}

.navbar.scrolled .nav-logo img {
    height: 56px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--blue-700);
    background: var(--blue-50);
}

.nav-close-wrap {
    display: none;
}

.nav-cta {
    background: var(--gradient-primary) !important;
    border: 1px solid transparent;
    color: var(--white) !important;
}

.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    overflow: hidden;
    padding: 40px 0 80px;
    margin-top: -80px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('assets/hero-bg.png') center/cover no-repeat;
    opacity: 0.25;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.7;
    z-index: 1;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--blue-300);
    top: -200px;
    right: -150px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--blue-200);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--white);
    top: 30%;
    left: 60%;
    animation: float 6s ease-in-out infinite 1s;
}

@keyframes float {

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

    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 24px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--blue-200);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
    animation: fadeInDown 0.8s ease-out;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--white);
    color: var(--blue-700);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.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, 0.6);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 16px;
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(37, 112, 176, 0.3);
}

.btn-full:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 112, 176, 0.4);
}

/* Hero stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--blue-300);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 6px;
    font-weight: 400;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

/* ===== ABOUT ===== */
.about {
    padding: 100px 0;
    background: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.about-lead {
    font-size: 1.25rem;
    color: var(--blue-800);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-text p {
    color: var(--gray-600);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 28px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.about-feature:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue-50);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 18px;
    height: 18px;
    color: var(--blue-600);
}

.about-feature span {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.95rem;
}

/* About visual card */
.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    background: var(--gradient-primary);
    padding: 48px 36px;
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 60%);
}

.about-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-card-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.about-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-card p {
    font-size: 0.95rem;
    opacity: 0.85;
    line-height: 1.7;
}

/* ===== SERVICES ===== */
.services {
    padding: 100px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    padding: 36px 28px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--blue-200);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--blue-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

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

.service-icon svg {
    width: 26px;
    height: 26px;
    color: var(--blue-600);
    transition: var(--transition);
}

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

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--blue-900);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== WHY US ===== */
.why-us {
    padding: 100px 0;
    background: var(--gray-50);
}

.why-intro {
    text-align: center;
    max-width: 800px;
    margin: -32px auto 56px;
    font-size: 1.08rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 72px;
}

.advantage-card {
    padding: 32px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.advantage-card:hover {
    border-color: var(--blue-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.adv-icon {
    width: 48px;
    height: 48px;
    background: var(--blue-50);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: var(--transition);
}

.advantage-card:hover .adv-icon {
    background: var(--gradient-primary);
}

.adv-icon svg {
    width: 22px;
    height: 22px;
    color: var(--blue-600);
    transition: var(--transition);
}

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

.advantage-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--blue-900);
    margin-bottom: 10px;
}

.advantage-card p {
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Process section */
.process-section {
    position: relative;
}

.process-title {
    text-align: center;
    font-size: 1.5rem;
    color: var(--blue-900);
    margin-bottom: 48px;
    font-weight: 800;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--blue-200);
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--white);
    border: 3px solid var(--blue-400);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--blue-600);
    transition: var(--transition);
}

.process-step:hover .step-number {
    background: var(--gradient-primary);
    border-color: var(--blue-500);
    color: var(--white);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(37, 112, 176, 0.3);
}

.process-step h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--blue-900);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 0.82rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== CONTACT ===== */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 24px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.contact-card:hover {
    background: var(--white);
    border-color: var(--blue-200);
    box-shadow: var(--shadow-md);
    transform: translateX(6px);
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: var(--blue-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--blue-600);
}

.whatsapp-icon {
    background: rgba(37, 211, 102, 0.1);
}

.whatsapp-icon svg {
    color: var(--whatsapp);
}

.facebook-icon {
    background: rgba(24, 119, 242, 0.1);
}

.facebook-icon svg {
    color: var(--facebook);
}

.contact-card h4 {
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
    margin-bottom: 4px;
}

.contact-card a {
    font-size: 1rem;
    font-weight: 600;
    color: var(--blue-800);
}

.contact-card a:hover {
    color: var(--blue-500);
}

/* Contact form */
.contact-form {
    background: var(--gray-50);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    outline: none;
    transition: var(--transition);
    color: var(--gray-800);
}

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

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--blue-400);
    box-shadow: 0 0 0 4px rgba(37, 112, 176, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gradient-dark);
    padding: 60px 0 0;
    color: var(--white);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 56px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-top h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul li,
.footer-services ul li,
.footer-contact-info ul li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-contact-info a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-contact-info a:hover {
    color: var(--white);
    padding-left: 6px;
}

.footer-services ul li {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

/* ===== FLOATING BUTTONS ===== */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 99999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

.scroll-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 4px 20px rgba(37, 112, 176, 0.4);
    z-index: 99999;
    transition: var(--transition);
    opacity: 0;
    pointer-events: none;
    cursor: pointer;
    border: none;
}

.scroll-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.scroll-top:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37, 112, 176, 0.5);
}

.scroll-top svg {
    width: 22px;
    height: 22px;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@keyframes gentleBounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

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

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

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

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

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

.process-step.reveal:nth-child(2) {
    transition-delay: 0.15s;
}

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

.process-step.reveal:nth-child(4) {
    transition-delay: 0.45s;
}

.process-step.reveal:nth-child(5) {
    transition-delay: 0.6s;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-timeline::before {
        display: none;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-logo img {
        height: 48px;
    }

    .navbar.scrolled .nav-logo img {
        height: 42px;
    }

    /* Close button inside sidebar */
    .nav-close-wrap {
        width: 100%;
        display: flex;
        justify-content: flex-end;
        margin-bottom: 16px;
    }

    .nav-close {
        background: none;
        border: none;
        color: rgba(255, 255, 255, 0.7);
        font-size: 2rem;
        cursor: pointer;
        padding: 4px 12px;
        line-height: 1;
        transition: var(--transition);
    }

    .nav-close:hover {
        color: var(--white);
    }

    /* Menu overlay */
    .nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99998;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .nav-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: var(--blue-900);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 32px 40px;
        gap: 4px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
        z-index: 99999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        color: rgba(255, 255, 255, 0.7) !important;
        background: none !important;
        width: 100%;
        padding: 14px 20px;
        font-size: 1.05rem;
        border-radius: 0 !important;
        border: none !important;
        border-left: 3px solid transparent !important;
        box-shadow: none !important;
    }

    .nav-link:hover {
        background: none !important;
        color: var(--white) !important;
        border-left: 3px solid rgba(255, 255, 255, 0.4) !important;
    }

    .nav-link.active {
        background: none !important;
        color: var(--white) !important;
        border-left: 3px solid var(--blue-400) !important;
        font-weight: 700;
    }

    .nav-cta,
    .nav-cta:hover,
    .nav-cta:active {
        margin-top: 16px;
        text-align: left;
        width: 100%;
        padding: 14px 20px !important;
        border-radius: 0 !important;
        background: none !important;
        border: none !important;
        border-left: 3px solid transparent !important;
        box-shadow: none !important;
        opacity: 1 !important;
        transform: none !important;
        color: rgba(255, 255, 255, 0.7) !important;
        font-weight: 500;
    }

    .nav-cta:hover {
        color: var(--white) !important;
        border-left: 3px solid rgba(255, 255, 255, 0.4) !important;
    }

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

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

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

    body {
        padding-top: 70px;
    }

    .hero {
        margin-top: -70px;
        padding-top: 90px;
    }

    .hero h1 {
        font-size: 2.2rem;
        letter-spacing: -0.5px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat-divider {
        width: 48px;
        height: 1px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .process-timeline {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .contact-form {
        padding: 28px 20px;
    }

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

    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .about,
    .services,
    .why-us,
    .contact {
        padding: 72px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .nav-logo img {
        height: 44px;
    }
}