/* ==========================================================================
   CSS Variables & Tokens
   ========================================================================== */
:root {
    /* Colors */
    --clr-primary-hsl: 221, 83%, 53%;
    /* #1d4ed8 */
    --clr-primary: hsl(var(--clr-primary-hsl));
    --clr-primary-light: hsl(221, 83%, 63%);
    --clr-primary-dark: hsl(221, 83%, 43%);

    --clr-secondary-hsl: 199, 89%, 48%;
    /* #0ea5e9 */
    --clr-secondary: hsl(var(--clr-secondary-hsl));

    --clr-accent: hsl(38, 92%, 50%);
    /* #f59e0b */
    --clr-success: hsl(142, 71%, 45%);
    /* #22c55e */

    /* Neutral / Typography */
    --clr-bg: hsl(210, 40%, 98%);
    /* #f8fafc */
    --clr-surface: hsl(0, 0%, 100%);
    --clr-text-main: hsl(222, 47%, 11%);
    /* #0f172a */
    --clr-text-muted: hsl(215, 16%, 47%);
    /* #64748b */
    --clr-border: hsl(214, 32%, 91%);
    /* #e2e8f0 */

    /* Typography */
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-heading: 'Outfit', system-ui, sans-serif;

    /* Layout */
    --container-max: 1200px;
    --nav-height: 80px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px -5px hsl(var(--clr-primary-hsl) / 0.5);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--clr-text-main);
    background-color: var(--clr-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--clr-text-main);
}

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

ul {
    list-style: none;
}

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

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
    width: 90%;
    max-width: var(--container-max);
    margin: 0 auto;
}

.text-primary {
    color: var(--clr-primary);
}

.text-gradient {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.icon-primary {
    color: var(--clr-primary);
}

.icon-success {
    color: var(--clr-success);
}

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

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

.mt-4 {
    margin-top: 2rem;
}

/* Section Utilities */
.section {
    padding: 5rem 0;
}

.section-header {
    margin-bottom: 3.5rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--clr-text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Components
   ========================================================================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 9999px;
    /* Pill shape */
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
    font-size: 1rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

.btn-primary:hover {
    background-color: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    color: white;
}

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

.btn-outline:hover {
    background-color: var(--clr-primary);
    color: white;
    transform: translateY(-2px);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 1rem;
    background: hsl(var(--clr-primary-hsl) / 0.1);
    color: var(--clr-primary);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-border);
    z-index: 1000;
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-text-main);
}

.logo-icon {
    color: var(--clr-primary);
    width: 28px;
    height: 28px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--clr-text-main);
    line-height: 1;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--clr-text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--clr-primary);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 1002;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--clr-text-main);
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

/* Hamburger → X animation */
.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu overlay (click outside to close) */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    display: block;
    opacity: 1;
}

/* Mobile-only CTA inside nav menu — hidden on desktop */
.nav-mobile-cta {
    display: none;
}

/* Hero Section */
.hero {
    padding-top: calc(var(--nav-height) + 4rem);
    padding-bottom: 5rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Subtle background pattern */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at top right, hsl(var(--clr-primary-hsl)/0.1) 0%, transparent 40%),
        radial-gradient(circle at bottom left, hsl(var(--clr-secondary-hsl)/0.1) 0%, transparent 40%);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--clr-text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    transform: scale(1.05);
    transition: transform 5s ease;
}

.image-wrapper:hover img {
    transform: scale(1);
}

.glass-panel {
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    padding: 1rem 1.5rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: 0.875rem;
    animation: float 6s ease-in-out infinite;
}

.floating-card.top-right {
    top: 25px;
    right: 50px;
    animation-delay: 0s;
}

.floating-card.bottom-left {
    bottom: 10px;
    left: 10px;
    animation-delay: 3s;
}

@keyframes float {

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

    50% {
        transform: translateY(-15px);
    }
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--clr-surface);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--clr-border);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

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

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

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: hsl(var(--clr-primary-hsl) / 0.1);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all var(--transition-normal);
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

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

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--clr-text-muted);
    margin-bottom: 1.5rem;
}

.learn-more {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.learn-more i {
    transition: transform var(--transition-fast);
}

.learn-more:hover i {
    transform: translateX(4px);
}

/* Footer */
.footer {
    background-color: var(--clr-text-main);
    color: var(--clr-border);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-col h3 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col a:hover {
    color: var(--clr-primary-light);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

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

.social-links a:hover {
    background: var(--clr-primary);
    color: white;
    transform: translateY(-3px);
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-list i {
    color: var(--clr-primary-light);
    flex-shrink: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--clr-text-muted);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: all var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.delay-4 {
    animation-delay: 0.8s;
}

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

/* ==========================================================================
   Page Specific Styles
   ========================================================================== */
.page-header {
    padding-top: calc(var(--nav-height) + 4rem);
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--clr-border);
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.overview-grid,
.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.overview-content p {
    color: var(--clr-text-muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.overview-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-item {
    padding: 2rem;
    background: var(--clr-surface);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid var(--clr-border);
    transition: transform var(--transition-normal);
}

.value-item:hover {
    transform: translateY(-5px);
    border-color: var(--clr-primary-light);
}

.value-item i {
    width: 48px;
    height: 48px;
    color: var(--clr-primary);
    margin-bottom: 1rem;
}

.value-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.objectives-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.objective-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.objective-card span {
    font-weight: 500;
}

.card {
    padding: 3rem 2rem;
    border-radius: 24px;
}

.blog-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto 2.5rem;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .overview-grid, 
    .mission-vision-grid, 
    .objectives-list,
    .blog-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {

    .nav-menu {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        padding: 0 1.5rem;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--clr-border);
        z-index: 999;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.3s ease,
                    padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-menu.open {
        max-height: calc(100vh - var(--nav-height, 72px));
        opacity: 1;
        padding: 1rem 1.5rem 1.5rem;
        overflow-y: auto;
    }

    .nav-menu .nav-link {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--clr-border);
        width: 100%;
    }

    .nav-menu .nav-link:last-child {
        border-bottom: none;
    }

    .nav-actions .btn {
        display: none;
    }

    .nav-menu.open ~ .nav-actions .btn,
    .nav-menu.open + .nav-actions .btn {
        display: none;
    }

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

    .nav-mobile-cta {
        display: block;
        width: 100%;
        text-align: center;
        margin-top: 0.75rem;
        border-top: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

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