/* ===== IMPORT FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden; /* Prevent horizontal scroll */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    max-width: 100vw; /* Ensure body doesn't exceed viewport */
}

/* Ensure all elements respect boundaries */
* {
    max-width: 100%;
}

/* Fade in on page load */
body {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Subtle texture overlay for medical/clinical feel (optional) */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.02) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: -1;
    opacity: 0.5;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--text-6xl);
    font-weight: var(--font-bold);
}

h2 {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
}

h3 {
    font-size: var(--text-3xl);
    font-weight: var(--font-semibold);
}

h4 {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
}

p {
    margin-bottom: var(--space-6);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

a {
    color: var(--green-600);
    text-decoration: none;
    transition: color var(--transition-base);
}

    a:hover {
        color: var(--green-800);
    }

strong {
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-wide {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

.trademark {
    font-size: 0.7em;
    vertical-align: super;
}

/* Scroll reveal animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

    .fade-up.visible {
        opacity: 1;
        transform: translateY(0);
    }

.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease;
}

    .fade-in.visible {
        opacity: 1;
    }

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: var(--bg-nav);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: background var(--transition-base), box-shadow var(--transition-base);
    min-height: 70px; /* Compact navbar height */
}

    .nav.scrolled {
        background: var(--green-800);
        box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
    }

/* Ensure consistent nav height on mobile */
@media (max-width: 768px) {
    .nav {
        min-height: 60px; /* Slightly smaller on mobile */
    }
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem var(--space-6); /* Reduced vertical padding for compact look */
    max-width: var(--container-wide);
    margin: 0 auto;
}

.nav .nav-container .nav-logo {
    /* Logo is larger than the navbar itself */
    height: 100px; /* Big logo */
    width: auto;
    max-width: none;
    filter: brightness(0) invert(1); /*makes logo white*/
    /* KEY FIX: Negative margins let logo overflow the navbar vertically */
    margin-top: -15px; /* Extends upward beyond navbar */
    margin-bottom: -15px; /* Extends downward beyond navbar */
    /* Smooth transition when scrolling */
    transition: height 0.3s ease, margin 0.3s ease, filter 0.3s ease;
    cursor: pointer;
}

    /* Logo turns black on hover */
    .nav .nav-container .nav-logo:hover {
        filter: brightness(0);
    }

/* Slightly smaller logo when scrolled for cleaner look */
.nav.scrolled .nav-logo {
    height: 70px;
    margin-top: -10px;
    margin-bottom: -10px;
}

    /* Logo hover effect works in scrolled state too */
    .nav.scrolled .nav-logo:hover {
        filter: brightness(0);
    }

/* Ensure the logo doesn't dominate small screens (responsive) */
@media (max-width: 640px) {
    .nav .nav-container .nav-logo {
        height: 60px; /* Increased from 50px for better visibility */
        max-width: 200px; /* Prevent logo from being too wide */
        width: auto;
        margin-top: -8px;
        margin-bottom: -8px;
    }

    .nav.scrolled .nav-logo {
        height: 50px; /* Slightly bigger when scrolled */
        max-width: 180px; /* Constrain width */
        margin-top: -5px;
        margin-bottom: -5px;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    align-items: center;
}

    .nav-menu a {
        font-family: var(--font-display);
        font-size: var(--text-sm);
        font-weight: var(--font-medium);
        color: var(--white);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        transition: color var(--transition-base);
        position: relative;
        padding: var(--space-2) 0;
    }

        .nav-menu a:hover {
            color: var(--black);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--black);
            transition: width var(--transition-base);
        }

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

/* Mobile menu toggle (hidden by default, shown on mobile) */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

    .nav-toggle span {
        display: block;
        width: 25px;
        height: 3px;
        background: var(--white);
        transition: all var(--transition-base);
    }

/* ===== DROPDOWN NAVIGATION STYLES ===== */

/* Dropdown container */
.nav-dropdown {
    position: relative;
}

/* Dropdown toggle (the "Partnerships" link with arrow) */
.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    position: relative;
}

/* Dropdown arrow icon */
.dropdown-arrow {
    transition: transform var(--transition-base);
    margin-left: 4px;
}

/* Rotate arrow when dropdown is active */
.nav-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

/* Dropdown menu (the submenu) - MUST BE HIDDEN BY DEFAULT */
.nav-menu .dropdown-menu {
    position: absolute !important;
    top: 100%;
    left: 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    list-style: none;
    padding: var(--space-2) 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    display: none !important;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 100;
}

/* Show dropdown when active */
.nav-menu .nav-dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    display: block !important;
    transform: translateY(0);
}

/* Show dropdown on hover (desktop only) */
@media (min-width: 769px) {
    .nav-menu .nav-dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        display: block !important;
        transform: translateY(0);
    }
}

/* Dropdown menu items */
.nav-menu .dropdown-menu li {
    margin: 0;
}

.nav-menu .dropdown-menu a {
    display: block;
    padding: var(--space-3) var(--space-5);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-base);
    border-left: 3px solid transparent;
}

    .nav-menu .dropdown-menu a:hover {
        background: var(--green-50);
        color: var(--green-700);
        border-left-color: var(--green-600);
    }

    /* Remove the underline effect from dropdown items */
    .nav-menu .dropdown-menu a::after {
        display: none;
    }

/* ===== SECTIONS ===== */
section {
    position: relative;
    padding: var(--space-24) 0;
    background: var(--bg-primary);
}

    /* Remove min-height for non-hero sections */
    section:not(.hero) {
        min-height: auto;
    }

    /* Alternating section backgrounds for visual rhythm */
    section:nth-child(even) {
        background: var(--bg-secondary);
    }

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    padding-top: calc(120px + var(--space-24)); /* Account for fixed nav (nav height is 120px on desktop) */
    padding-bottom: var(--space-32);
    background: var(--gradient-hero);
    overflow: hidden;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

/* Decorative background image for hero (brain-hand) */
.hero-bg {
    position: absolute;
    top: 95px; /* Increased from 70px - more gap below navbar */
    left: 0;
    right: 0;
    bottom: 0;
    background-image: /*linear-gradient(rgba(255,255,255,0.7), rgba(255,255,255,0.7)),*/ url('../assets/brain-hand.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    z-index: var(--z-base);
    opacity: 1;
    pointer-events: none;
}

/* Ensure hero content displays on top of hero-bg */
.hero .container,
.hero-content {
    position: relative;
    z-index: calc(var(--z-base) + 2);
}

/* Make the background image slightly darker/desaturated on large screens */
@media (min-width: 1024px) {
    .hero-bg {
        top: 95px; /* Same gap on desktop for consistency */
        background-image: linear-gradient(rgba(255,255,255,0.5), rgba(255,255,255,0.5)), url('../assets/brain-hand.png');
        filter: saturate(0.85) brightness(0.95);
    }
}

/* Extra large screens (1440px+) - lock positioning */
@media (min-width: 1440px) {
    .hero-bg {
        top: 95px; /* Locked at 120px for all large screens */
    }
}

/* On small screens reduce artwork prominence */
@media (max-width: 768px) {
    .hero-bg {
        display: none; /* Hide background image on mobile */
    }

    /* Adjust hero section to push content UP */
    .hero {
        align-items: flex-start; /* Align to top instead of center */
        padding-top: calc(70px + var(--space-8)); /* Less top padding */
    }
}

/* Extra small screens - hero already adjusted above */
@media (max-width: 480px) {
    .hero {
        padding-top: calc(60px + var(--space-6)); /* Even tighter on small screens */
    }
}

/* Subtle animated gradient overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(76, 175, 80, 0.1) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(67, 160, 71, 0.08) 0%, transparent 50%);
    animation: subtleFloat 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes subtleFloat {
    0%, 100% {
        opacity: 0.5;
        transform: translateY(0);
    }

    50% {
        opacity: 0.8;
        transform: translateY(-20px);
    }
}

.hero-content {
    position: relative;
    z-index: var(--z-base);
    text-align: center;
    max-width: 100%; /* Prevent overflow */
    padding: 0 1rem; /* Add padding on all screens */
}

.hero-tagline {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--green-700);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-6);
    font-family: var(--font-display);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.2s;
    max-width: 100%; /* Prevent overflow */
    word-wrap: break-word;
}

.hero h1 {
    font-size: clamp(var(--text-5xl), 8vw, var(--text-7xl));
    margin-bottom: var(--space-6);
    color: var(--text-primary);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.4s;
    max-width: 100%; /* Prevent overflow */
    word-wrap: break-word;
    padding: 0 0.5rem; /* Extra padding for h1 */
}

.hero-subtitle {
    font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl));
    max-width: min(900px, 95%); /* Responsive max-width */
    margin: 0 auto var(--space-8);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.6s;
    word-wrap: break-word;
    padding: 0 0.5rem; /* Add padding */
}

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

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

.hero-cta {
    display: inline-flex;
    gap: var(--space-4);
    margin-top: var(--space-8);
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.8s;
    max-width: 100%; /* Prevent overflow */
    flex-wrap: wrap; /* Allow wrapping if needed */
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--green-600);
    color: var(--white);
    border-color: var(--green-600);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

    .btn-primary:hover {
        background: var(--green-700);
        border-color: var(--green-700);
        color: var(--black);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    }

.btn-secondary {
    background: var(--green-600);
    color: var(--white);
    border-color: var(--green-600);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

    .btn-secondary:hover {
        background: var(--green-700);
        border-color: var(--green-700);
        color: var(--black);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    }

/* ===== FEATURE CARDS SECTION ===== */
.feature-cards {
    background: var(--bg-primary);
    padding: var(--space-24) 0;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-10);
    margin-top: var(--space-12);
}

.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-slow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    position: relative;
}

    .card:hover {
        transform: translateY(-12px);
        box-shadow: 0 12px 32px rgba(76, 175, 80, 0.15);
        border-color: var(--green-300);
    }

    /* Medical-grade accent line */
    .card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--gradient-accent);
        opacity: 0;
        transition: opacity var(--transition-base);
    }

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

.card-image-wrapper {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: var(--gray-100);
    position: relative;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

/* Card content with padding */
.card-content {
    padding: var(--space-8);
}

.card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
    color: var(--green-700);
    font-weight: var(--font-semibold);
}

.card p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: var(--leading-relaxed);
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: var(--bg-accent-light);
    padding: var(--space-24) 0;
    position: relative;
}

    /* Subtle decorative element */
    .about-section::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(76, 175, 80, 0.08) 0%, transparent 70%);
        pointer-events: none;
    }

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.about-text h2 {
    color: var(--green-800);
    margin-bottom: var(--space-6);
}

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

.about-text a {
    color: var(--green-600);
    text-decoration: underline;
    font-weight: var(--font-semibold);
}

    .about-text a:hover {
        color: var(--green-800);
    }

.about-text blockquote {
    font-size: var(--text-xl);
    font-style: italic;
    color: var(--text-secondary);
    border-left: 4px solid var(--green-600);
    padding-left: var(--space-6);
    margin: var(--space-8) 0;
    background: rgba(255, 255, 255, 0.6);
    padding: var(--space-6);
    border-radius: var(--radius-md);
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.feature-item {
    background: var(--white);
    padding: var(--space-6);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

    .feature-item:hover {
        border-color: var(--green-400);
        transform: translateY(-4px);
        box-shadow: 0 4px 12px rgba(76, 175, 80, 0.15);
    }

    .feature-item h4 {
        font-size: var(--text-lg);
        color: var(--green-700);
        margin-bottom: var(--space-2);
        font-weight: var(--font-semibold);
    }

    .feature-item p {
        font-size: var(--text-sm);
        margin: 0;
        color: var(--text-tertiary);
    }

/* ===== TARGET AUDIENCE SECTION ===== */
.audience-section {
    background: var(--bg-primary);
    padding: var(--space-24) 0;
}

    .audience-section h2 {
        text-align: center;
        color: var(--green-800);
        margin-bottom: var(--space-16);
    }

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-10);
}

.audience-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-slow);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

    /* Green accent corner */
    .audience-card::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 80px;
        height: 80px;
        background: linear-gradient(135deg, var(--green-600) 0%, var(--green-400) 100%);
        clip-path: polygon(100% 0, 0 0, 100% 100%);
        opacity: 0;
        transition: opacity var(--transition-base);
    }

    .audience-card:hover::before {
        opacity: 0.15;
    }

    .audience-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 8px 24px rgba(76, 175, 80, 0.15);
        border-color: var(--green-400);
    }

    .audience-card h3 {
        color: var(--green-700);
        margin-bottom: var(--space-5);
        font-size: var(--text-2xl);
    }

    .audience-card p {
        color: var(--text-secondary);
        margin: 0;
        line-height: var(--leading-relaxed);
    }

/* ===== WHY IT MATTERS SECTION ===== */
.why-matters {
    background: var(--gradient-accent);
    padding: var(--space-32) 0;
    position: relative;
    overflow: hidden;
}

    /* Subtle pattern overlay */
    .why-matters::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-image: radial-gradient(circle at 2px 2px, rgba(255, 255, 255, 0.1) 1px, transparent 0);
        background-size: 40px 40px;
        pointer-events: none;
    }

.why-matters-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.why-matters h2 {
    color: var(--green-800);
    margin-bottom: var(--space-8);
    font-size: var(--text-5xl);
}

.why-matters p {
    font-size: var(--text-xl);
    color: var(--text-primary);
    margin-bottom: var(--space-12);
    line-height: var(--leading-relaxed);
}

.why-matters a {
    color: var(--green-600);
    text-decoration: underline;
    font-weight: var(--font-semibold);
}

    .why-matters a:hover {
        color: var(--green-800);
    }

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    text-align: left;
    margin-top: var(--space-12);
}

.value-item {
    background: rgba(255, 255, 255, 0.95);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

    .value-item:hover {
        transform: translateY(-4px);
        background: var(--white);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .value-item h4 {
        color: var(--green-700);
        font-size: var(--text-xl);
        margin-bottom: var(--space-3);
    }

    .value-item p {
        color: var(--text-secondary);
        font-size: var(--text-base);
        margin: 0;
        line-height: var(--leading-normal);
    }

/* ===== FOOTER ===== */
.footer {
    background: var(--gradient-footer);
    color: var(--white);
    padding: var(--space-20) 0 var(--space-8);
    margin-top: 0;
    position: relative;
}

    /* Subtle top border accent */
    .footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--black) 0%, var(--black) 50%, var(--black) 100% );
    }

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--space-6);
    filter: brightness(0) invert(1);
}

.footer-description {
    color: rgba(255, 255, 255, 0.9);
    max-width: 500px;
    margin-bottom: var(--space-8);
    line-height: var(--leading-relaxed);
}

.footer-contact h4 {
    color: var(--white);
    margin-bottom: var(--space-5);
    font-size: var(--text-xl);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-4);
    line-height: var(--leading-normal);
}

.footer-contact a {
    color: #4A9EFF;
    transition: color var(--transition-base);
    text-decoration: underline;
    text-decoration-color: transparent;
    text-underline-offset: 4px;
}

    .footer-contact a:hover {
        color: var(--white);
        text-decoration-color: var(--white);
    }

.social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

    .social-links a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-full);
        color: var(--white);
        transition: all var(--transition-base);
        border: 2px solid rgba(255, 255, 255, 0.2);
    }

        .social-links a:hover {
            background: var(--green-accent-light);
            color: var(--green-900);
            border-color: var(--green-accent-light);
            transform: translateY(-3px);
            box-shadow: 0 4px 12px rgba(0, 230, 118, 0.4);
        }

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

    .footer-bottom p {
        margin: 0;
        color: rgba(255, 255, 255, 0.7);
    }

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet */
@media (max-width: 1024px) {
    h1 {
        font-size: var(--text-5xl);
    }

    h2 {
        font-size: var(--text-4xl);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

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

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

/* Mobile */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--green-800);
        flex-direction: column;
        padding: var(--space-6);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        gap: var(--space-4);
    }

        .nav-menu.active {
            display: flex;
        }

    .nav-toggle {
        display: flex;
    }

    /* Mobile dropdown styles */
    .nav-dropdown {
        position: relative;
        width: 100%;
    }

    .dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: var(--space-2) 0;
    }

    .dropdown-menu {
        position: static;
        background: var(--green-900);
        box-shadow: none;
        margin: 0;
        padding: 0;
        opacity: 1;
        visibility: visible;
        display: block;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }

    .nav-dropdown.active .dropdown-menu {
        max-height: 200px;
        padding: var(--space-2) 0;
    }

    .dropdown-menu a {
        color: rgba(255, 255, 255, 0.85);
        padding: var(--space-3) var(--space-6);
        border-left: 3px solid transparent;
    }

        .dropdown-menu a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            border-left-color: var(--green-accent-light);
        }

    h1 {
        font-size: var(--text-4xl);
    }

    h2 {
        font-size: var(--text-3xl);
    }

    section {
        padding: var(--space-16) 0;
    }

    .hero {
        padding-bottom: var(--space-16); /* Reduced bottom padding */
        min-height: 80vh; /* Increased from 70vh for better mobile presence */
        /* padding-top is now handled in the background positioning media query */
    }

    /* Hero content adjustments for mobile */
    .hero-content {
        margin-top: var(--space-4); /* Add space from navbar */
    }

    .hero-tagline {
        font-size: 0.65rem; /* Even smaller tagline on mobile */
        letter-spacing: 0.08em; /* Less letter spacing */
        margin-bottom: var(--space-4);
        padding: 0 1rem; /* More padding */
    }

    .hero h1 {
        font-size: clamp(1.5rem, 8vw, 2.5rem); /* Smaller starting point */
        line-height: 1.1;
        margin-bottom: var(--space-4);
        padding: 0 1rem; /* More padding */
    }

    .hero-subtitle {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem); /* Smaller range */
        max-width: 100%; /* Full width on mobile */
        margin-bottom: var(--space-6);
        padding: 0 1.5rem; /* More horizontal padding */
        line-height: 1.5;
    }

    .hero-content {
        padding: 0; /* Container handles padding */
        width: 100%;
        overflow: hidden; /* Prevent any overflow */
    }

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

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

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

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

    /* Better container spacing on mobile */
    .hero .container {
        padding: 0 1.25rem; /* Increased breathing room */
        max-width: 100%;
        overflow: hidden; /* Prevent overflow */
    }

    .hero-content {
        padding: 0; /* Remove any extra padding */
        width: 100%;
        max-width: 100%;
    }

    .hero-cta {
        flex-direction: column;
        width: calc(100% - 2rem); /* Account for padding */
        max-width: 100%;
        gap: var(--space-3); /* Tighter gap between buttons */
        margin-top: var(--space-6); /* Less space above buttons */
        margin-left: auto;
        margin-right: auto;
    }

    .btn {
        width: 100%;
        max-width: 100%;
        text-align: center;
        padding: 0.875rem 1rem; /* Comfortable touch targets */
        font-size: 0.85rem; /* Slightly smaller text */
        white-space: nowrap; /* Prevent text wrapping */
        overflow: hidden;
        text-overflow: ellipsis;
        box-sizing: border-box;
    }

    .card-image-wrapper {
        height: 200px;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

    .container,
    .container-wide,
    .container-narrow {
        padding: 0 1rem; /* Consistent padding */
        max-width: 100%;
        overflow-x: hidden;
    }

    .card-content,
    .audience-card,
    .value-item {
        padding: var(--space-6);
    }

    .nav-container {
        padding: var(--space-3) 1rem;
    }

    .hero {
        min-height: 75vh; /* Increased from 60vh */
        padding-top: calc(70px + var(--space-8)); /* Even tighter on small screens */
        padding-bottom: var(--space-12);
        overflow-x: hidden; /* Critical: prevent horizontal scroll */
    }

        .hero .container {
            padding: 0 1rem; /* Tighter padding */
            max-width: 100%;
        }

    /* Even smaller hero text on tiny screens */
    .hero-tagline {
        font-size: 0.6rem; /* Very small */
        letter-spacing: 0.06em; /* Minimal letter spacing */
        margin-bottom: var(--space-3);
        padding: 0 0.75rem;
    }

    .hero h1 {
        font-size: clamp(1.35rem, 7vw, 2rem); /* Smaller range */
        margin-bottom: var(--space-3);
        padding: 0 0.75rem;
        line-height: 1.15;
    }

    .hero-subtitle {
        font-size: clamp(0.85rem, 3.2vw, 1rem); /* Even smaller */
        margin-bottom: var(--space-5);
        padding: 0 1rem;
        line-height: 1.4;
    }

    .hero-cta {
        margin-top: var(--space-5);
        width: calc(100% - 2rem);
        padding: 0 0.5rem;
    }

    .btn {
        padding: 0.75rem 1rem; /* Smaller padding */
        font-size: 0.8rem; /* Smaller text */
    }
}

/* Ultra-narrow portrait phones (iPhone SE, older Androids) */
@media (max-width: 375px) {
    .hero .container {
        padding: 0 0.75rem; /* Even tighter */
    }

    .hero-tagline {
        font-size: 0.55rem;
        letter-spacing: 0.05em;
        padding: 0 0.5rem;
    }

    .hero h1 {
        font-size: clamp(1.2rem, 6.5vw, 1.75rem);
        padding: 0 0.5rem;
    }

    .hero-subtitle {
        font-size: clamp(0.8rem, 3vw, 0.95rem);
        padding: 0 0.75rem;
    }

    .hero-cta {
        width: calc(100% - 1.5rem);
        padding: 0 0.25rem;
    }

    .btn {
        padding: 0.7rem 0.85rem;
        font-size: 0.75rem;
    }

    .nav .nav-container .nav-logo {
        height: 50px;
        max-width: 160px;
    }
}
/* ===== DOCUMENT CARDS ===== */
.doc-card {
    background: var(--white);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--gray-200);
    text-align: center;
    transition: all var(--transition-base);
    /* Flexbox to push button to bottom */
    display: flex;
    flex-direction: column;
    height: 100%;
}

    .doc-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-2xl);
        border-color: var(--green-400);
    }

.doc-card-icon {
    margin-bottom: var(--space-6);
}

    .doc-card-icon svg {
        color: var(--green-600);
        margin: 0 auto;
        display: block;
    }

.doc-card h3 {
    color: var(--green-700);
    margin-bottom: var(--space-4);
}

.doc-card-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    flex-grow: 1; /* This makes the description take up available space */
}

.doc-card .btn {
    width: 100%;
    margin-top: auto; /* This pushes the button to the bottom */
}

/* ===== META SLIDER (PITCH DECK SLIDER) ===== */
.metaslider-container {
    max-width: 900px;
    margin: 0 auto;
}

.metaslider {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metaslide {
    display: none;
    position: relative;
}

    .metaslide.active {
        display: block;
        animation: slideIn 0.5s ease;
    }

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

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

.metaslide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-xl);
    min-height: 400px;
    object-fit: contain;
    background: var(--gray-100);
}

    /* Fallback for broken images */
    .metaslide img::before {
        content: 'Upload slide image to assets/ folder';
        display: block;
        padding: var(--space-16);
        text-align: center;
        color: var(--text-tertiary);
        font-size: var(--text-lg);
    }

/* Slide counter */
.slide-counter {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    font-family: var(--font-mono);
}

/* Navigation arrows */
.metaslider-prev,
.metaslider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: var(--radius-full);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.metaslider-prev {
    left: 20px;
}

.metaslider-next {
    right: 20px;
}

    .metaslider-prev:hover,
    .metaslider-next:hover {
        background: var(--green-600);
        color: var(--white);
        transform: translateY(-50%) scale(1.1);
        box-shadow: 0 6px 16px rgba(76, 175, 80, 0.4);
    }

    .metaslider-prev svg,
    .metaslider-next svg {
        display: block;
    }

/* Dot indicators */
.metaslider-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-6);
    flex-wrap: wrap;
}

.metaslider-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--gray-300);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

    .metaslider-dot:hover {
        background: var(--green-400);
        transform: scale(1.2);
    }

    .metaslider-dot.active {
        background: var(--green-600);
        width: 32px;
        border-radius: 6px;
    }

/* Mobile responsiveness */
@media (max-width: 768px) {
    .metaslider-prev,
    .metaslider-next {
        width: 40px;
        height: 40px;
    }

    .metaslider-prev {
        left: 10px;
    }

    .metaslider-next {
        right: 10px;
    }

    .slide-counter {
        bottom: 10px;
        right: 10px;
        font-size: var(--text-xs);
        padding: var(--space-1) var(--space-3);
    }

    .metaslider-dots {
        gap: var(--space-1);
    }

    .metaslider-dot {
        width: 8px;
        height: 8px;
    }

        .metaslider-dot.active {
            width: 24px;
        }
}