/* PresenceNet - Clean Institutional Styles */

/* ===== CSS VARIABLES ===== */
:root {
    /* Color Palette */
    --primary-blue: #144AA5;
    --dark-blue: #0E3A7A;
    --light-blue: #4A7BC8;
    --gray-50: #F8FAFB;
    --gray-100: #E1E8ED;
    --gray-200: #B8D2E3;
    --gray-800: #2F4553;
    --gray-900: #1A2530;
    --white: #FFFFFF;

    /* Whitepaper Color Extensions */
    --seasalt: #F8FAFB;
    --alice-blue: #E1E8ED;
    --columbia-blue: #B8D2E3;
    --air-superiority: #7C9CBF;
    --lapis-lazuli: #144AA5;
    --prussian-blue: #0E3A7A;
    --charcoal: #2F4553;
    --accent-blue: #4A7BC8;

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

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: var(--white);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAVIGATION ===== */
.minimal-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 999;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
}

.minimal-nav.hide {
    transform: translateY(-100%);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: center;
}

.brand-logo {
    height: 40px;
    width: auto;
}

/* Desktop Navigation */
.nav-menu-desktop {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-menu-desktop a {
    color: var(--gray-800);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s ease;
    position: relative;
}

.nav-menu-desktop a:hover {
    color: var(--primary-blue);
}

/* Underline animation for internal links only */
.nav-menu-desktop a:not([href^="http"])::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-menu-desktop a:not([href^="http"]):hover::after {
    width: 100%;
}

/* External link indicators with arrow */
.nav-menu-desktop a[href^="http"]::after {
    content: ' ↗';
    font-size: 0.85em;
    margin-left: 4px;
    opacity: 0.7;
}

/* Whitepaper-style Navigation (nav-menu for whitepaper pages) */
.nav-trigger {
    display: none;
    cursor: pointer;
    padding: 8px;
}

.nav-dots {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-dots span {
    width: 24px;
    height: 3px;
    background: var(--charcoal);
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-menu a {
    color: var(--charcoal);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s ease;
    position: relative;
}

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

/* Underline animation for internal links only */
.nav-menu a:not([href^="http"])::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--lapis-lazuli);
    transition: width 0.3s ease;
}

.nav-menu a:not([href^="http"]):hover::after {
    width: 100%;
}

/* External link indicators with arrow */
.nav-menu a[href^="http"]::after {
    content: ' ↗';
    font-size: 0.85em;
    margin-left: 4px;
    opacity: 0.7;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-bar {
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    transition: all 0.3s ease;
}

.mobile-nav-wrap {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: 16px 24px;
    flex-direction: column;
    gap: 16px;
}

.mobile-nav-wrap.active {
    display: flex;
}

.mobile-nav-wrap a {
    color: var(--gray-800);
    text-decoration: none;
    font-weight: 500;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
}

/* ===== HERO SECTION ===== */
.hero-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    z-index: 0;
}


.parallax-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    transition: transform 0.1s ease-out;
}

.parallax-1::before {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    top: 5%;
    left: 5%;
    filter: blur(100px);
}

.parallax-2::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    bottom: 15%;
    right: 10%;
    filter: blur(80px);
}

.parallax-3::before {
    content: '';
    position: absolute;
    width: 700px;
    height: 700px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: 35%;
    left: 50%;
    transform: translateX(-50%);
    filter: blur(120px);
}

.parallax-circle {
    position: absolute;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    top: 10%;
    right: 5%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    width: 100%;
    height: 100%;
}

.hero-main h1 {
    position: absolute;
    top: 50%;
    left: 120px;
    transform: translateY(-50%);
    font-size: 140px;
    font-weight: 700;
    letter-spacing: -0.04em;
    margin: 0;
    line-height: 0.95;
    text-align: left;
    max-width: 700px;
}

.hero-tagline {
    position: absolute;
    bottom: 120px;
    right: 120px;
    font-family: 'Georgia', serif;
    font-size: 24px;
    font-style: italic;
    font-weight: 300;
    line-height: 1.4;
    opacity: 0.9;
    text-align: right;
    max-width: 450px;
}

.hero-cta {
    position: absolute;
    bottom: 120px;
    left: 120px;
    display: inline-block;
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: 400;
    opacity: 0.85;
    transition: opacity 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 2px;
}

.hero-cta:hover {
    opacity: 1;
    border-bottom-color: rgba(255, 255, 255, 0.8);
}

/* ===== STATS SECTION ===== */
.stats-section {
    background: var(--white);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 64px;
    text-align: center;
}

.stat-item h3 {
    font-size: 48px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.stat-item p {
    font-size: 16px;
    color: var(--gray-800);
    line-height: 1.5;
}

/* ===== AWARDS SECTION ===== */
.awards-section {
    background: var(--gray-50);
    padding: 80px 0;
}

.awards-section h2 {
    text-align: center;
    font-size: 40px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 48px;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    max-width: 900px;
    margin: 0 auto;
}

.award-item {
    text-align: center;
    padding: 40px 24px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.award-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(20, 74, 165, 0.1);
}

.award-badge {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
}

.award-badge svg {
    width: 48px;
    height: 48px;
}

.award-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.award-item p {
    font-size: 15px;
    color: var(--gray-800);
    line-height: 1.5;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: var(--white);
    padding: 100px 0;
}

.two-column-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.content-column h2 {
    font-size: 40px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.content-column p {
    font-size: 18px;
    line-height: 1.7;
    color: var(--gray-800);
    margin-bottom: 20px;
}

.image-column img {
    width: 100%;
    height: auto;
}

/* ===== FULL WIDTH IMAGE ===== */
.full-width-image {
    background: var(--gray-50);
    padding: 80px 0;
    text-align: center;
}

.full-width-image img {
    max-width: 100%;
    height: auto;
    display: inline-block;
}

/* ===== IMAGE BLOCK ===== */
.image-block {
    padding: 60px 0;
    background: var(--white);
}

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

/* ===== WHAT WE DO SECTION ===== */
.what-we-do-section {
    background: var(--white);
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray-800);
    line-height: 1.6;
}

.protocol-intro-card {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    padding: 48px 64px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 64px;
    box-shadow: 0 8px 24px rgba(20, 74, 165, 0.15);
}

.protocol-intro-card h2 {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.protocol-intro-card p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    margin: 0;
}

.how-it-works {
    margin-top: 48px;
    margin-bottom: 32px;
    text-align: center;
}

.how-it-works h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-800);
}

.primitives-grid {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.why-it-matters,
.the-insight {
    margin-top: 64px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.why-it-matters h3,
.the-insight h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 16px;
}

.why-it-matters p,
.the-insight p {
    font-size: 18px;
    line-height: 1.7;
    color: var(--gray-800);
    margin-bottom: 16px;
}

.the-insight {
    background: var(--gray-50);
    padding: 32px;
    border-left: 4px solid var(--primary-blue);
}

.protocol-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--lapis-lazuli), var(--prussian-blue));
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.protocol-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.protocol-button:hover::before {
    left: 100%;
}

.protocol-button:hover {
    box-shadow: 0 12px 30px rgba(14, 84, 145, 0.4);
}

.primitive-card {
    background: var(--white);
    border: 2px solid var(--primary-blue);
    padding: 28px 24px;
    width: 180px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.primitive-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--dark-blue));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.primitive-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(20, 74, 165, 0.2);
    border-color: var(--dark-blue);
}

.primitive-icon {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
}

.primitive-icon svg {
    width: 40px;
    height: 40px;
}

.primitive-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.primitive-card p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-800);
    margin: 0;
}

.learn-more {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s ease;
}

.learn-more:hover {
    color: var(--dark-blue);
}

/* ===== FEATURED SECTION ===== */
.featured-section {
    background: var(--gray-50);
    padding: 100px 0;
}

.featured-section h2 {
    font-size: 40px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 48px;
    text-align: center;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.featured-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    padding: 32px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.featured-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(20, 74, 165, 0.12);
}

.card-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.featured-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 12px;
    line-height: 1.3;
}

.featured-card p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-800);
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s ease;
}

.card-link:hover {
    color: var(--dark-blue);
}

/* ===== FOOTER ===== */
.footer-main {
    background: var(--gray-900);
    color: var(--gray-200);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-logo {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 14px;
    color: var(--gray-200);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.footer-column a {
    display: block;
    color: var(--gray-200);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--gray-200);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--gray-200);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

/* ===== FOOTER MINIMAL (Whitepaper Style) ===== */
.footer-minimal {
    background: var(--prussian-blue);
    color: rgba(255, 255, 255, 0.9);
    padding: 80px 0 40px;
}

.footer-minimal .footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 40px;
}

.footer-newsletter h4 {
    font-size: 24px;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
}

.footer-newsletter p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
    line-height: 1.6;
}

.newsletter-form {
    margin-top: 20px;
}

.input-group {
    display: flex;
    gap: 12px;
}

.input-group input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 15px;
    font-family: var(--font-family);
    transition: all 0.3s ease;
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.input-group input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.15);
}

.input-group button {
    padding: 14px 32px;
    background: white;
    color: var(--lapis-lazuli);
    border: none;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-family);
}

.input-group button:hover {
    background: var(--seasalt);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.nav-column h5 {
    font-size: 14px;
    font-weight: 600;
    color: white;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 15px;
    margin-bottom: 12px;
    transition: all 0.2s ease;
}

.nav-column a:hover {
    color: white;
    padding-left: 4px;
}

.footer-minimal .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

.footer-minimal .footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-minimal .social-links a {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

.footer-minimal .social-links a:hover {
    background: white;
    color: var(--lapis-lazuli);
    transform: translateY(-2px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 968px) {
    .nav-menu-desktop {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    /* Whitepaper Navigation Mobile */
    .minimal-nav {
        padding: 16px 24px;
    }

    .nav-trigger {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid rgba(225, 232, 237, 0.6);
        gap: 16px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        z-index: 998;
    }

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

    .nav-menu a {
        padding: 12px 0;
        border-bottom: 1px solid rgba(225, 232, 237, 0.3);
    }

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

    .hero-main h1 {
        left: 60px;
        font-size: 72px;
        max-width: 500px;
    }

    .hero-tagline {
        bottom: 130px;
        right: 60px;
        font-size: 20px;
        max-width: 350px;
    }

    .hero-cta {
        bottom: 80px;
        left: 60px;
        font-size: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

    .two-column-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .protocol-intro-card {
        padding: 32px 24px;
    }

    .protocol-intro-card h2 {
        font-size: 28px;
    }

    .protocol-intro-card p {
        font-size: 18px;
    }

    .primitives-grid {
        gap: 16px;
    }

    .primitive-card {
        width: 160px;
        padding: 24px 16px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    /* Footer Minimal Responsive */
    .footer-minimal .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 0 24px;
    }

    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .footer-minimal .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
        padding: 32px 24px 0;
    }
}

@media (max-width: 640px) {
    .hero-main h1 {
        left: 30px;
        right: 30px;
        font-size: 48px;
        max-width: calc(100% - 60px);
    }

    .hero-tagline {
        bottom: 110px;
        right: 30px;
        left: 30px;
        font-size: 16px;
        max-width: calc(100% - 60px);
    }

    .hero-cta {
        bottom: 60px;
        left: 30px;
        font-size: 15px;
    }

    .section-header h2,
    .content-column h2,
    .awards-section h2,
    .featured-section h2 {
        font-size: 32px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* Footer Minimal Mobile */
    .footer-nav {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .input-group {
        flex-direction: column;
    }

    .input-group button {
        width: 100%;
    }
}

/* ===== ABOUT PAGE STYLES ===== */

/* About Hero */
.about-hero {
    background: linear-gradient(135deg, var(--prussian-blue) 0%, var(--lapis-lazuli) 100%);
    padding: 120px 0 80px;
    text-align: center;
    color: white;
}

.about-hero h1 {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
}

.about-tagline {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
    line-height: 1.6;
}

/* Origin Timeline - Horizontal Sticky */
.origin-section {
    padding: 100px 0 0;
    background: var(--seasalt);
}

.origin-section > .container > h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 64px;
}

/* Sticky Timeline Navigation */
.timeline-nav-wrapper {
    position: sticky;
    top: 80px;
    z-index: 100;
    background: var(--seasalt);
    padding: 32px 0;
    margin-bottom: 64px;
}

.timeline-nav {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.timeline-track {
    height: 3px;
    background: var(--columbia-blue);
    position: relative;
    margin-bottom: 40px;
}

.timeline-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: var(--lapis-lazuli);
    width: 0%;
    transition: width 0.3s ease;
}

.timeline-dots {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    margin-top: -20px;
}

.timeline-dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    cursor: pointer;
}

.timeline-dot::before {
    content: '';
    width: 16px;
    height: 16px;
    background: var(--columbia-blue);
    border: 3px solid var(--seasalt);
    display: block;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.timeline-dot.active::before {
    background: var(--lapis-lazuli);
    transform: scale(1.3);
}

.timeline-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--air-superiority);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.timeline-dot.active .timeline-label {
    color: var(--lapis-lazuli);
}

/* Timeline Content */
.timeline-content-wrapper {
    padding-bottom: 100px;
}

.timeline-item {
    max-width: 800px;
    margin: 0 auto 120px;
    opacity: 0.4;
    transition: opacity 0.5s ease;
}

.timeline-item.active {
    opacity: 1;
}

.timeline-item h3 {
    font-size: 32px;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 24px;
}

.timeline-item p {
    font-size: 17px;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: 16px;
}

/* Founder Section */
.founder-section {
    padding: 100px 0;
    background: var(--white);
}

.founder-section h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 64px;
}

.founder-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    align-items: start;
}

.founder-text h3 {
    font-size: 36px;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 8px;
}

.founder-title {
    font-size: 18px;
    color: var(--lapis-lazuli);
    font-weight: 500;
    margin-bottom: 32px;
}

.founder-text p {
    font-size: 17px;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: 20px;
}

.founder-links {
    display: flex;
    gap: 24px;
    margin-top: 32px;
}

.founder-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--lapis-lazuli);
    text-decoration: none;
    transition: color 0.3s ease;
}

.founder-link:hover {
    color: var(--prussian-blue);
}

.founder-image img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 768px) {
    .founder-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .founder-image {
        order: -1;
    }
}

/* Problem Section */
.problem-section {
    padding: 100px 0;
    background: var(--white);
}

.problem-section h2 {
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 64px;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.problem-card {
    background: var(--seasalt);
    padding: 40px;
    border-left: 4px solid var(--primary-blue);
}

.problem-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 16px;
}

.problem-card p {
    font-size: 16px;
    line-height: 1.7;
    color: #4a5568;
}

/* Solution Section */
.solution-section {
    padding: 100px 0;
    background: var(--seasalt);
}

.solution-section h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 32px;
    text-align: center;
}

.section-intro {
    font-size: 20px;
    line-height: 1.7;
    color: #4a5568;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 64px;
}

.solution-visual {
    margin: 64px 0;
}

.solution-visual img {
    width: 100%;
    height: auto;
    display: block;
}

.solution-section > .container > p {
    font-size: 18px;
    line-height: 1.7;
    color: #4a5568;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Architecture Section */
.architecture-section {
    padding: 100px 0;
    background: var(--white);
}

.architecture-section h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 64px;
    text-align: center;
}

.arch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.arch-card {
    background: var(--seasalt);
    padding: 40px;
    text-align: center;
    border: 2px solid var(--gray-100);
    transition: all 0.3s ease;
}

.arch-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 8px 24px rgba(20, 74, 165, 0.1);
}

.arch-icon {
    margin-bottom: 24px;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

.arch-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 16px;
}

.arch-card p {
    font-size: 16px;
    line-height: 1.7;
    color: #4a5568;
}

/* Recognition Section */
.recognition-section {
    padding: 100px 0;
    background: var(--seasalt);
}

.recognition-section h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 64px;
    text-align: center;
}

.recognition-section .awards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    max-width: 900px;
    margin: 0 auto;
}

.award-card {
    background: var(--white);
    padding: 48px;
    text-align: center;
    border: 2px solid var(--gray-100);
    transition: all 0.3s ease;
}

.award-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(20, 74, 165, 0.15);
}

.award-icon {
    margin-bottom: 24px;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

.award-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.award-card p {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.6;
}

.award-year {
    font-size: 14px;
    color: #718096;
    margin-top: 8px;
}

/* Technical Section */
.technical-section {
    padding: 100px 0;
    background: var(--white);
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.text-column h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 24px;
}

.text-column p {
    font-size: 17px;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: 20px;
}

.visual-column img {
    width: 100%;
    height: auto;
    display: block;
}

/* Ecosystem Section */
.ecosystem-section {
    padding: 100px 0;
    background: var(--seasalt);
}

.ecosystem-section h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 24px;
    text-align: center;
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 64px;
}

.ecosystem-card {
    background: var(--white);
    padding: 40px;
    border: 2px solid var(--gray-100);
    transition: all 0.3s ease;
}

.ecosystem-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 8px 24px rgba(20, 74, 165, 0.1);
}

.ecosystem-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 16px;
}

.ecosystem-card p {
    font-size: 16px;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: 24px;
}

.ecosystem-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s ease;
}

.ecosystem-link:hover {
    color: var(--dark-blue);
}

/* Mission Section */
.mission-section {
    padding: 100px 0;
    background: var(--white);
}

.mission-section h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 32px;
    text-align: center;
}

.mission-section p {
    font-size: 18px;
    line-height: 1.8;
    color: #4a5568;
    max-width: 900px;
    margin: 0 auto 24px;
}

/* Future Section */
.future-section {
    padding: 100px 0;
    background: var(--seasalt);
}

.future-section h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 64px;
    text-align: center;
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.roadmap-item {
    background: var(--white);
    padding: 40px;
    border-left: 4px solid var(--primary-blue);
}

.roadmap-item h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 16px;
}

.roadmap-item p {
    font-size: 16px;
    line-height: 1.7;
    color: #4a5568;
}

/* About CTA */
.about-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--prussian-blue) 0%, var(--lapis-lazuli) 100%);
    text-align: center;
    color: white;
}

.about-cta h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.about-cta p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 968px) {
    .about-hero h1 {
        font-size: 42px;
    }

    .problem-grid,
    .ecosystem-grid,
    .roadmap-grid {
        grid-template-columns: 1fr;
    }

    .recognition-section .awards-grid {
        grid-template-columns: 1fr;
    }

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

    .timeline::before {
        left: 10px;
    }

    .timeline-item {
        padding-left: 40px;
    }

    .timeline-item::before {
        left: 4px;
    }
}

@media (max-width: 640px) {
    .about-hero h1 {
        font-size: 32px;
    }

    .about-tagline {
        font-size: 16px;
    }
}
