/* =========================================
   VARIABLES & THEMING
   ========================================= */
:root {
    /* Colors - Deep Premium Blue Theme */
    --color-primary-900: #05214d;
    --color-primary-800: #0A3D91;
    /* Deep Premium Blue */
    --color-primary-700: #1255b8;
    --color-primary-600: #1c6deb;
    --color-primary-100: #e6f0fa;

    --color-accent: #f59e0b;
    /* Contrast/Subtle accent */
    --color-success: #25D366;
    /* Official WhatsApp green */

    --color-surface: #ffffff;
    --color-background: #f8fafc;
    --color-background-alt: #f1f5f9;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #f8fafc;
    --text-disabled: #94a3b8;

    --border-color: #e2e8f0;

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-floating: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--color-background);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: opacity, transform;
}

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

.delay-100 {
    transition-delay: 100ms;
}

.delay-200 {
    transition-delay: 200ms;
}

.delay-300 {
    transition-delay: 300ms;
}

.delay-400 {
    transition-delay: 400ms;
}

.delay-500 {
    transition-delay: 500ms;
}

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

ul {
    list-style: none;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

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

.bg-light {
    background-color: var(--color-background-alt);
}

.text-left {
    text-align: left;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1,
h2,
h3,
h4 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-primary-900);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--space-4);
    text-align: center;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-12);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    gap: var(--space-2);
}

.btn-primary {
    background-color: var(--color-primary-800);
    color: var(--color-surface);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--color-primary-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    border-color: var(--color-primary-800);
    color: var(--color-primary-800);
    background-color: var(--color-primary-100);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-surface);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: 1.125rem;
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
}

/* =========================================
   HEADER & NAVIGATION
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--space-3) 0;
    transition: box-shadow var(--transition-normal);
}

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

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

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

.logo-img {
    width: 220px;
    height: 55px;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-normal);
}

@media (min-width: 768px) {
    .logo-img {
        width: 260px;
        height: 65px;
    }
}

.nav {
    display: none;
    /* hidden on mobile */
}

.nav-list {
    display: flex;
    gap: var(--space-6);
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

.nav-link:hover {
    color: var(--color-primary-800);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary-800);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.menu-toggle {
    display: block;
    color: var(--color-primary-900);
    padding: var(--space-2);
}

.sm-hidden {
    display: none;
}

/* Mobile Nav Modal */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.98);
    z-index: 2000;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav.open {
    right: 0;
}

.close-menu {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    background: var(--color-primary-100);
    color: var(--color-primary-800);
    padding: var(--space-2);
    border-radius: 50%;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary-900);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    position: relative;
    padding-top: calc(80px + var(--space-12));
    padding-bottom: var(--space-20);
    background-color: var(--color-surface);
    overflow: hidden;
}

.hero-bg-accent {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(circle, var(--color-primary-100) 0%, rgba(255, 255, 255, 1) 70%);
    opacity: 0.5;
    border-radius: 50%;
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-primary-100);
    color: var(--color-primary-800);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: var(--space-4);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -1px;
    margin-bottom: var(--space-4);
    color: var(--color-primary-800);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 500px;
}

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

.cta-bump {
    animation: pulse-soft 2s infinite;
}

@keyframes pulse-soft {
    0% {
        box-shadow: 0 0 0 0 rgba(30, 58, 138, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(30, 58, 138, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(30, 58, 138, 0);
    }
}

/* Decorative Hero Image/Card wrapper */
.hero-image-wrapper {
    display: none;
    /* hidden on small mobile */
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-floating);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transform: rotate(2deg);
    transition: transform 0.5s ease;
}

.glass-card:hover {
    transform: rotate(0deg) translateY(-10px);
}

.card-header {
    display: flex;
    gap: 6px;
    margin-bottom: var(--space-6);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red {
    background-color: #ef4444;
}

.dot.yellow {
    background-color: #f59e0b;
}

.dot.green {
    background-color: #10b981;
}

.skeleton-line {
    height: 12px;
    background-color: var(--color-background-alt);
    border-radius: 6px;
    margin-bottom: var(--space-3);
}

.skeleton-title {
    height: 20px;
    width: 60%;
    margin-bottom: var(--space-4);
    background-color: var(--border-color);
}

.skeleton-line.short {
    width: 40%;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--color-background-alt);
    border-radius: 4px;
    margin-top: var(--space-6);
    margin-bottom: var(--space-4);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--color-primary-600);
    border-radius: 4px;
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.success {
    background-color: #d1fae5;
    color: #065f46;
}

.wave-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
}

.wave-bottom svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 40px;
}

.wave-bottom .shape-fill {
    fill: var(--color-background);
}

/* =========================================
   SERVICES SECTION
   ========================================= */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.service-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: var(--color-primary-100);
}

.service-card.featured {
    border-color: var(--color-primary-600);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.service-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-primary-600);
}

.icon-box {
    width: 48px;
    height: 48px;
    background-color: var(--color-background-alt);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    transition: all var(--transition-fast);
}

.icon-box.primary {
    background-color: var(--color-primary-100);
    color: var(--color-primary-700);
}

.service-card:hover .icon-box {
    background-color: var(--color-primary-800);
    color: white;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-2);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.service-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--space-6);
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary-600);
    font-weight: 700;
}

.service-list.columns-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2);
}

/* =========================================
   TRUST SECTION
   ========================================= */
.trust-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

.trust-message {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-primary-700);
    margin-bottom: var(--space-8);
    border-left: 4px solid var(--color-primary-800);
    padding-left: var(--space-4);
}

.trust-points {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

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

.check-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.trust-point strong {
    display: block;
    color: var(--color-primary-900);
    margin-bottom: 2px;
}

.trust-point p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.trust-visual {
    display: none;
    /* hidden on mobile */
}

.shield-graphic {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
}

.glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-primary-100) 0%, transparent 70%);
    animation: pulse-glow 3s infinite;
    z-index: -1;
}

@keyframes pulse-glow {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }

    100% {
        transform: scale(1);
        opacity: 0.5;
    }
}

/* =========================================
   HOW IT WORKS (STEPS)
   ========================================= */
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    position: relative;
}

.step-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 2;
    transition: transform var(--transition-normal);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-100);
}

.step-num {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary-800);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    box-shadow: var(--shadow-md);
    border: 4px solid var(--color-primary-100);
}

.step-card h3 {
    margin-bottom: var(--space-2);
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* =========================================
   COMMITMENT SECTION
   ========================================= */
.commitment-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.commitment-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: transform var(--transition-normal);
}

.commitment-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-primary-100);
    box-shadow: var(--shadow-md);
}

.check-circle {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background-color: var(--color-success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.commitment-card h3 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--color-primary-900);
    line-height: 1.4;
}

/* =========================================
   FOOTER & CONTACT
   ========================================= */
.footer {
    background-color: var(--color-primary-900);
    color: var(--text-light);
    padding-top: var(--space-16);
    padding-bottom: var(--space-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-heading {
    color: white;
    font-size: 1.125rem;
    margin-bottom: var(--space-4);
}

.footer-logo {
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
}

.footer-desc {
    color: var(--text-disabled);
    max-width: 300px;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-light);
}

.contact-list a:hover {
    color: var(--color-primary-100);
    text-decoration: underline;
}

.social-btn {
    display: inline-flex;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-6);
    text-align: center;
    color: var(--text-disabled);
    font-size: 0.875rem;
}

/* =========================================
   FLOATING WHATSAPP
   ========================================= */
.floating-wa {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 60px;
    height: 60px;
    background-color: var(--color-success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: transform var(--transition-fast);
}

.floating-wa:hover {
    transform: scale(1.1);
}

.pulse-animation {
    animation: wa-pulse 2s infinite;
}

@keyframes wa-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(16, 185, 129, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* =========================================
   MEDIA QUERIES (DESKTOP)
   ========================================= */
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .nav {
        display: block;
    }

    .sm-hidden {
        display: inline-flex;
    }

    .hero {
        padding-top: calc(100px + var(--space-12));
    }

    .hero-container {
        grid-template-columns: 1.2fr 1fr;
    }

    .hero-actions {
        flex-direction: row;
    }

    .hero-image-wrapper {
        display: block;
    }

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

    .service-list.columns-2 {
        grid-template-columns: 1fr 1fr;
    }

    .trust-grid {
        grid-template-columns: 3fr 2fr;
    }

    .trust-visual {
        display: flex;
    }

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

    .steps-grid::before {
        content: '';
        position: absolute;
        top: 50px;
        left: 10%;
        width: 80%;
        height: 2px;
        background-color: var(--color-primary-100);
        z-index: 1;
    }

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

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Span SAT card across 2 columns for better layout */
    .service-card.featured {
        grid-column: span 2;
    }
}

@media (min-width: 1280px) {
    .wave-bottom svg {
        height: 60px;
    }
}