/* ============================================
   INXH Research - Modern Professional Website
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Based on brand identity */
    --primary-blue: #1a5fb4;
    --primary-dark: #0d3a75;
    --accent-blue: #3584e4;
    --gradient-start: #4a90d9;
    --gradient-end: #7c6fe3;
    --text-dark: #1a1a2e;
    --text-gray: #4a5568;
    --text-light: #718096;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --container-max: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px 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-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

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

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

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

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

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

/* ============================================
   Header / Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 12px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    max-width: 150px;
}

.logo img {
    height: 45px;
    max-height: 45px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    transition: var(--transition-normal);
}

.header.scrolled .logo img {
    height: 40px;
    max-height: 40px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: #fff;
    position: relative;
    padding: 4px 0;
}

.header.scrolled .nav-links a {
    color: var(--text-dark);
}

.nav-links a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: var(--transition-normal);
}

.nav-links a:not(.btn-nav):hover::after,
.nav-links a:not(.btn-nav).active::after {
    width: 100%;
}

.btn-nav {
    background: var(--accent-blue);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(53, 132, 228, 0.4);
    transition: var(--transition-normal);
}

.btn-nav:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(53, 132, 228, 0.5);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: var(--transition-normal);
}

.header.scrolled .hamburger span {
    background: var(--text-dark);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #3a7bd5 0%, #5a7fd0 30%, #7a83c8 60%, #6a80c0 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    animation: float 20s infinite ease-in-out;
}

.bubble-1 {
    width: 400px;
    height: 400px;
    top: -150px;
    left: -100px;
    animation-delay: 0s;
}

.bubble-2 {
    width: 300px;
    height: 300px;
    bottom: -100px;
    right: -50px;
    animation-delay: -5s;
}

.bubble-3 {
    width: 200px;
    height: 200px;
    top: 40%;
    left: 10%;
    animation-delay: -10s;
}

.bubble-4 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    right: 20%;
    animation-delay: -15s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(20px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-10px, 20px) scale(0.95);
    }

    75% {
        transform: translate(-20px, -10px) scale(1.02);
    }
}

.hero-content {
    text-align: center;
    color: #fff;
    max-width: 900px;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: 4px;
    margin-bottom: 16px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    font-style: italic;
    margin-bottom: 24px;
    opacity: 0.95;
}

.hero-description {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    line-height: 1.8;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    letter-spacing: 1px;
    z-index: 10;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(0.8);
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* Animations */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards;
}

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

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

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

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

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--primary-dark);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 24px auto 0;
    line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card {
    background: var(--bg-white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

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

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.card-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.about-card h3 {
    font-size: 1.35rem;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.about-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ============================================
   Mission & Vision Section
   ============================================ */
.mission-section {
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.mission-card {
    background: var(--bg-light);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.mission-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.mission-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: var(--bg-white);
    border-color: transparent;
}

.mission-card:hover::after {
    transform: scaleX(1);
}

.mission-card h3 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.mission-card h3::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-blue);
    border-radius: 2px;
}

.mission-card p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* ============================================
   Divisions Section
   ============================================ */
.divisions-section {
    background: var(--bg-white);
}

.divisions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.division-card {
    background: linear-gradient(145deg, #6a8be2 0%, #7c6fe3 50%, #9171e0 100%);
    border-radius: var(--radius-lg);
    padding: 50px 30px;
    text-align: center;
    color: #fff;
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.division-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition-normal);
}

.division-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(108, 99, 227, 0.3);
}

.division-card:hover::before {
    opacity: 1;
}

.division-content {
    position: relative;
    z-index: 1;
}

.division-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: var(--transition-normal);
}

.division-card:hover .division-icon {
    transform: scale(1.1) rotate(5deg);
}

.division-icon i {
    font-size: 2rem;
}

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

.division-card p {
    opacity: 0.9;
    line-height: 1.6;
}

/* ============================================
   Innovations Section
   ============================================ */
.innovations-section {
    background: var(--bg-light);
}

.innovations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.innovation-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.innovation-image {
    height: 200px;
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.innovation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.innovation-card:hover .innovation-image img {
    transform: scale(1.05);
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
}

.image-placeholder i {
    font-size: 3rem;
    color: var(--accent-blue);
    opacity: 0.6;
}

.image-placeholder span {
    font-size: 0.9rem;
    font-weight: 500;
}

.innovation-content {
    padding: 28px;
}

.innovation-content h3 {
    font-size: 1.25rem;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.innovation-content p {
    color: var(--text-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    color: #fff;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-info>p {
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.25rem;
}

.contact-item h4 {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 4px;
    font-weight: 500;
}

.contact-item a,
.contact-item span {
    font-size: 1.05rem;
}

.contact-item a:hover {
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.social-links a:hover {
    background: var(--accent-blue);
    transform: translateY(-3px);
}

.social-links i {
    font-size: 1.1rem;
}

/* Contact Form */
.contact-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-normal);
    outline: none;
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-normal);
}

.form-group textarea~label {
    top: 20px;
    transform: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.12);
}

.form-group input:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:focus~label,
.form-group textarea:not(:placeholder-shown)~label {
    top: -10px;
    left: 16px;
    font-size: 0.85rem;
    background: linear-gradient(135deg, #1a365d, #2c5282);
    padding: 2px 8px;
    border-radius: 4px;
    transform: none;
}

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

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 16px 32px;
    background: var(--accent-blue);
    color: #fff;
}

.btn-block:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(53, 132, 228, 0.4);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: #0f172a;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
    line-height: 1.6;
}

.footer-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--accent-blue);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

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

.footer-links a:hover {
    color: #fff;
    padding-left: 8px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--accent-blue);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ============================================
   Responsive Design - Fixed for all devices
   ============================================ */

/* Large Desktop (1200px and above) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }

    .about-grid,
    .divisions-grid,
    .innovations-grid,
    .mission-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .mission-grid {
        grid-template-columns: repeat(2, 1fr);
        /* 2 cards for mission */
    }
}

/* Laptop / Small Desktop (992px - 1199px) */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }

    .footer-content {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 30px;
    }
}

/* Tablet (768px - 991px) */
@media (max-width: 991px) {
    :root {
        --section-padding: 80px;
    }

    .container {
        max-width: 720px;
        padding: 0 20px;
    }

    /* Navigation */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
        transition: var(--transition-normal);
        z-index: 1000;
    }

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

    .nav-links a {
        color: var(--text-dark) !important;
        font-size: 1.1rem;
    }

    .hamburger {
        display: flex;
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* Hero */
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.95rem;
        padding: 0 10px;
    }

    /* Grid Layouts */
    .about-grid,
    .divisions-grid,
    .innovations-grid,
    .mission-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .contact-item {
        justify-content: center;
        text-align: left;
    }

    .social-links {
        justify-content: center;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
    }

    .footer-links,
    .footer-contact {
        text-align: center;
    }

    .footer-contact p {
        justify-content: center;
    }
}

/* Mobile / Tablet Portrait (576px - 767px) */
@media (max-width: 767px) {
    :root {
        --section-padding: 60px;
    }

    .container {
        max-width: 100%;
        padding: 0 16px;
    }

    /* Header */
    .logo img {
        height: 40px;
    }

    .header.scrolled .logo img {
        height: 36px;
    }

    /* Hero */
    .hero {
        min-height: 100vh;
        padding-top: 80px;
    }

    .hero-title {
        font-size: 2rem;
        letter-spacing: 1px;
    }

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

    .hero-description {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .btn {
        padding: 12px 28px;
        font-size: 0.95rem;
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .scroll-indicator {
        display: none;
    }

    /* Grid Layouts - Stack on Mobile */
    .about-grid,
    .divisions-grid,
    .innovations-grid,
    .mission-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Section Headers */
    .section-header {
        margin-bottom: 40px;
    }

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

    .section-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }

    /* About Cards */
    .about-card {
        padding: 30px 24px;
    }

    .card-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 20px;
    }

    .card-icon i {
        font-size: 1.25rem;
    }

    .about-card h3 {
        font-size: 1.2rem;
    }

    .about-card p {
        font-size: 0.95rem;
    }

    /* Division Cards */
    .division-card {
        padding: 40px 24px;
    }

    .division-icon {
        width: 70px;
        height: 70px;
    }

    .division-icon i {
        font-size: 1.75rem;
    }

    .division-card h3 {
        font-size: 1.25rem;
    }

    /* Innovation Cards - Fixed Image Issue */
    .innovation-card {
        max-width: 100%;
    }

    .innovation-image {
        height: 180px;
    }

    .innovation-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        padding: 10px;
        background: #f0f4f8;
    }

    .innovation-content {
        padding: 20px;
    }

    .innovation-content h3 {
        font-size: 1.1rem;
    }

    .innovation-content p {
        font-size: 0.9rem;
    }

    /* Contact */
    .contact-info h2 {
        font-size: 1.75rem;
    }

    .contact-form {
        padding: 24px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-group input,
    .form-group textarea {
        padding: 14px 16px;
        font-size: 0.95rem;
    }

    /* Footer */
    .footer {
        padding: 40px 0 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-logo {
        height: 40px;
    }

    .footer-links a:hover {
        padding-left: 0;
    }

    .footer-contact p {
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer-bottom p {
        font-size: 0.8rem;
    }
}

/* Small Mobile (below 480px) */
@media (max-width: 480px) {
    :root {
        --section-padding: 50px;
    }

    .container {
        padding: 0 12px;
    }

    /* Header */
    .header {
        padding: 12px 0;
    }

    .logo img {
        height: 35px;
    }

    /* Hero */
    .hero-content {
        padding: 0 8px;
    }

    .hero-title {
        font-size: 1.6rem;
        letter-spacing: 0.5px;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: 16px;
    }

    .hero-description {
        font-size: 0.85rem;
        margin-bottom: 30px;
    }

    .btn {
        padding: 11px 24px;
        font-size: 0.9rem;
    }

    /* Cards */
    .about-card,
    .division-card {
        padding: 24px 20px;
    }

    .about-card h3,
    .division-card h3 {
        font-size: 1.1rem;
    }

    .about-card p,
    .division-card p {
        font-size: 0.9rem;
    }

    /* Innovation Cards */
    .innovation-image {
        height: 160px;
    }

    .innovation-content {
        padding: 16px;
    }

    /* Contact */
    .contact-info h2 {
        font-size: 1.5rem;
    }

    .contact-icon {
        width: 40px;
        height: 40px;
    }

    .contact-icon i {
        font-size: 1rem;
    }

    .contact-item a,
    .contact-item span {
        font-size: 0.95rem;
    }

    .social-links a {
        width: 40px;
        height: 40px;
    }

    .contact-form {
        padding: 20px 16px;
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-group input,
    .form-group textarea {
        padding: 12px 14px;
    }

    /* Footer */
    .footer-links h4,
    .footer-contact h4 {
        font-size: 1rem;
        margin-bottom: 16px;
    }
}

/* Prevent hover effects on touch devices */
@media (hover: none) {

    .about-card:hover,
    .division-card:hover,
    .innovation-card:hover,
    .mission-card:hover {
        transform: none;
    }

    .innovation-card:hover .innovation-image img {
        transform: none;
    }

    .btn:hover {
        transform: none;
    }
}

/* ============================================
   Animation Classes
   ============================================ */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}