/* --- 1. RESET & BASE STYLES --- */
:root {
    --bg-color: #030303;
    --bg-alt: #0a0a0a;
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --accent: #d4af37; /* Gold */
    --accent-dim: rgba(212, 175, 55, 0.1);
    --border: rgba(255, 255, 255, 0.08);
    --nav-height: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .logo, .stat-value, .nav-cta {
    font-family: 'Space Grotesk', sans-serif;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }

/* --- 2. NAVIGATION --- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(3, 3, 3, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: var(--nav-height);
}

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #fff;
    z-index: 1001;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-cta {
    padding: 10px 24px;
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: 2px;
}

.nav-cta:hover {
    background: var(--accent);
    color: #000;
}

/* Language Switcher */
.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
/* Borderless dropdown */
.lang-dropdown {
    position: relative;
    font-family: 'Space Grotesk', sans-serif;
}
.lang-trigger {
    background: none;
    border: 0;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    cursor: pointer;
    padding: 8px 4px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}
.lang-trigger:hover { color: var(--accent); }
.lang-chevron {
    font-size: 9px;
    line-height: 1;
    transition: transform 0.25s ease;
}
.lang-dropdown.open .lang-chevron { transform: rotate(180deg); }
.lang-dropdown.open .lang-trigger { color: var(--accent); }

.lang-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    list-style: none;
    margin: 0;
    padding: 6px 0;
    min-width: 160px;
    background: rgba(10, 10, 10, 0.96);
    backdrop-filter: blur(16px);
    border-radius: 2px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.lang-dropdown.open .lang-menu,
.lang-dropdown:focus-within .lang-menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.lang-menu li { margin: 0; }
.lang-menu a {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 16px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
}
.lang-menu a:hover {
    color: var(--accent);
    background: rgba(212, 175, 55, 0.06);
}
.lang-menu a.active { color: var(--accent); }
.lang-menu .lang-code {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.3);
}
.lang-menu a:hover .lang-code,
.lang-menu a.active .lang-code { color: var(--accent); }
.lang-mobile {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.lang-mobile a {
    font-size: 14px !important;
    font-family: 'Space Grotesk', sans-serif !important;
    font-weight: 600 !important;
    letter-spacing: 0.1em;
    padding: 10px 14px;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 2px;
}
.lang-mobile a.active {
    color: var(--accent);
    border-color: var(--accent);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: 0.3s;
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100vh;
    background: var(--bg-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    z-index: 999;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu a {
    font-size: 24px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: var(--nav-height);
    background: var(--bg-color);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('md-profile.jpg');
    background-size: cover;
    background-position: center;
    filter: grayscale(0.5) brightness(0.85) contrast(1);
    z-index: 0;
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(3,3,3,0.95) 100%),
        radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    padding: 0 24px;
    text-align: center;
}

.hero-title {
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 32px;
}

.hero-title .highlight {
    display: block;
    color: var(--accent);
}

.hero-subtitle {
    font-size: clamp(18px, 2vw, 22px);
    color: rgba(255,255,255,0.85);
    max-width: 700px;
    margin: 0 auto 48px auto;
    font-weight: 400;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.btn-massive {
    display: inline-block;
    padding: 20px 48px;
    background: var(--accent);
    color: #000;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 2px;
}

.btn-massive:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

/* --- 4. STATS --- */
.stats {
    background: var(--bg-alt);
    padding: 80px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-value {
    font-size: clamp(40px, 5vw, 64px);
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

/* --- 5. STANDARD SECTIONS --- */
section {
    padding: 120px 0;
}

.section-header {
    max-width: 800px;
    margin: 0 auto 80px auto;
    text-align: center;
    padding: 0 24px;
}

.section-tag {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 16px;
    display: block;
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 24px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-muted);
}

/* Solutions Grid */
.solutions { background: var(--bg-alt); }

.services-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border);
    padding: 1px;
}

.service {
    background: var(--bg-color);
    padding: 64px 48px;
    transition: background 0.3s;
}

.service:hover {
    background: #0d0d0d;
}

.service-num {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--accent);
    font-size: 14px;
    margin-bottom: 24px;
}

.service-title {
    font-size: 28px;
    margin-bottom: 16px;
}

.service-desc {
    font-size: 16px;
    color: var(--text-muted);
}

/* Proof Grid */
.proof-grid {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

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

.proof-image-box {
    width: 100%;
    height: 450px;
    background-color: var(--bg-alt);
    background-size: cover;
    background-position: center;
    border: 2px solid rgba(0, 0, 0, 0.7);
    border-radius: 4px;
    margin-bottom: 32px;
    filter: grayscale(0.95) brightness(0.55) contrast(1.05);
    transition: transform 0.5s ease, filter 0.6s ease, border-color 0.5s ease;
    position: relative;
    overflow: hidden;
}

.proof-item:hover .proof-image-box {
    border-color: rgba(212, 175, 55, 0.3);
    filter: grayscale(0.5) brightness(0.85) contrast(1);
    transform: translateY(-5px);
}

.proof-image-box::after {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.2);
}

.proof-label {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    font-family: 'Space Grotesk', sans-serif;
}

.proof-text {
    font-size: 15px;
    color: var(--text-muted);
}

/* Projects Grid */
.projects { background: var(--bg-alt); }

.projects-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-color);
    padding: 40px;
    border: 1px solid var(--border);
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.project-card.featured {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--bg-color) 0%, #0d0d0d 100%);
    border-color: rgba(212, 175, 55, 0.25);
    padding: 56px 48px;
}
.project-card.featured .project-link {
    font-size: 30px;
}
.project-card.featured .service-desc {
    font-size: 17px;
    max-width: 720px;
}
.project-card.featured::before {
    content: "OPEN SOURCE";
    position: absolute;
    top: 24px;
    right: 28px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.22em;
    color: var(--accent);
}
@media (max-width: 768px) {
    .project-card.featured { padding: 40px 24px; }
    .project-card.featured .project-link { font-size: 24px; }
    .project-card.featured::before { top: 16px; right: 18px; font-size: 9px; }
}

.project-link {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    display: block;
    margin-bottom: 12px;
}

.project-link::after {
    content: " ->";
    opacity: 0;
    transition: 0.3s;
}

.project-card:hover .project-link::after {
    opacity: 1;
    padding-left: 8px;
}

/* Founder */
.founder-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.founder-image-box {
    aspect-ratio: 1;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    background-color: #111;
    background-image: url('md-profile00.jpg');
    background-size: cover;
    background-position: center top;
    border: 2px solid rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    box-shadow: 0 30px 80px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(0,0,0,0.4);
    filter: grayscale(0.95) brightness(0.55) contrast(1.05);
    transition: transform 0.5s ease, box-shadow 0.5s ease, filter 0.6s ease, border-color 0.5s ease;
}

.founder-image-box:hover {
    transform: translateY(-4px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: 0 40px 100px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(212,175,55,0.18);
    filter: grayscale(0.5) brightness(0.85) contrast(1);
}

.founder-text h2 {
    font-size: 40px;
    margin-bottom: 8px;
    line-height: 1.1;
}

.founder-role {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 32px !important;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.founder-text p {
    margin-bottom: 24px;
    color: var(--text-muted);
    font-size: 17px;
}

.founder-creds {
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 64px;
}

/* Footer/Final CTA */
.final-cta {
    background: var(--accent);
    color: #000;
    text-align: center;
    padding: 140px 24px;
}

.final-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.final-email-link {
    font-size: clamp(20px, 4vw, 32px);
    font-weight: 700;
    border-bottom: 2px solid #000;
    padding-bottom: 4px;
    cursor: pointer;
}

.final-email-link:hover {
    opacity: 0.7;
}

footer {
    background: #000;
    padding: 40px;
    text-align: center;
    font-size: 12px;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- 6. ANIMATIONS --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* --- 7. RESPONSIVE --- */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .proof-grid { grid-template-columns: 1fr; max-width: 600px; }
    .founder-content { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta, .nav-right { display: none; }
    .mobile-toggle { display: flex; margin-left: auto; padding: 8px; }
    .services-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .service { padding: 40px 24px; }
    .nav-inner { padding: 0 20px; }
    section { padding: 80px 0; }
    .section-header { margin-bottom: 56px; }
    .stats { padding: 56px 0; }
    .stats-grid { gap: 32px 24px; }
    .final-cta { padding: 96px 24px; }
    .founder-creds { gap: 32px; flex-wrap: wrap; }
    .btn-massive { padding: 18px 36px; font-size: 15px; }
    .proof-image-box { height: 320px; }

    /* Burger Animation */
    .nav.active .mobile-toggle span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .nav.active .mobile-toggle span:nth-child(2) { opacity: 0; }
    .nav.active .mobile-toggle span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }
}

@media (max-width: 480px) {
    .hero-content { padding: 0 20px; }
    .section-header { padding: 0 20px; }
    .project-card { padding: 32px 24px; }
    .proof-grid { padding: 0 20px; gap: 32px; }
    .proof-image-box { height: 260px; }
    .founder-content { padding: 0 20px; }
    .founder-creds { gap: 24px; padding-top: 32px; margin-top: 32px; }
}

/* --- 8. STORY PIVOT (opens revolution modal) --- */
.story-pivot {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 120px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.story-pivot::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 0%, rgba(212, 175, 55, 0.08), transparent 55%),
        radial-gradient(circle at 10% 100%, rgba(212, 175, 55, 0.05), transparent 50%);
    pointer-events: none;
}
.story-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
}
.story-timeline {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    margin: 48px 0 40px;
    flex-wrap: wrap;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}
.story-timeline span {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
}
.story-timeline span.now {
    border-color: var(--accent);
    color: var(--accent);
}
.story-timeline i {
    font-style: normal;
    color: rgba(255,255,255,0.25);
}
.story-btn {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 20px 40px;
    background: var(--accent);
    color: #000;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 0;
    border-radius: 2px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}
.story-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.25);
}
.story-btn .arrow {
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.story-btn:hover .arrow { transform: translate(4px, -4px); }

/* --- 9. MODAL: fullscreen iframe to revolution.html --- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: #000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease-out;
}
.modal.open {
    opacity: 1;
    pointer-events: auto;
}
.modal iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}
.modal-close {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 2002;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: #000;
    border: 0;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    display: none;
    transition: transform 0.2s, background 0.2s;
}
.modal.open ~ .modal-close { display: block; }
.modal-close:hover {
    transform: scale(1.1) rotate(90deg);
    background: #fff;
}
.modal-hint {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2002;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    backdrop-filter: blur(8px);
    pointer-events: none;
    display: none;
    opacity: 0;
    animation: hintFade 5s ease-out forwards;
}
.modal.open ~ .modal-hint { display: block; }
@keyframes hintFade {
    0%   { opacity: 0; }
    15%  { opacity: 1; }
    75%  { opacity: 1; }
    100% { opacity: 0; }
}

body.modal-open {
    overflow: hidden;
}

@media (max-width: 768px) {
    .story-pivot { padding: 80px 20px; }
    .modal-close { top: 12px; right: 12px; width: 42px; height: 42px; font-size: 20px; }
}

/* --- 10. SOCIAL LINKS --- */
.nav-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: 2px;
}
.nav-social:hover { color: var(--accent); }
.nav-social svg { width: 16px; height: 16px; display: block; }

.footer-meta {
    margin-top: 14px;
    display: flex;
    justify-content: center;
    gap: 18px;
}
.footer-meta a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #666;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.footer-meta a:hover { color: var(--accent); }
.footer-meta svg { width: 13px; height: 13px; display: block; }

/* --- 11. PERSPECTIVE --- */
.perspective {
    background: var(--bg-color);
    padding: 120px 24px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
}
.perspective-content {
    max-width: 760px;
    margin: 0 auto;
}
.perspective-content .section-tag {
    display: inline-block;
    margin-bottom: 20px;
    text-align: left;
}
.perspective-content h2 {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 40px;
    line-height: 1.2;
}
.perspective-content p {
    color: var(--text-muted);
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 24px;
}
.perspective-content p:last-child { margin-bottom: 0; }
.perspective-content a {
    color: var(--accent);
    border-bottom: 1px solid rgba(212, 175, 55, 0.35);
    padding-bottom: 1px;
    transition: border-color 0.3s, color 0.3s;
}
.perspective-content a:hover { border-color: var(--accent); }
@media (max-width: 768px) {
    .perspective { padding: 80px 20px; }
    .perspective-content h2 { margin-bottom: 28px; }
    .perspective-content p { font-size: 16px; line-height: 1.7; }
}