/* ═══════════════════════════════════════════════════════
   THE SOVEREIGN GENESIS FRAMEWORK
   Design System: Architectural Minimalism / High-End Editorial
   ═══════════════════════════════════════════════════════ */

:root {
    --deep-charcoal: #1A1A1A;
    --paper-white: #F5F5F7;
    --muted-gold: #948460;
    --muted-gold-light: rgba(148, 132, 96, 0.3);
    --body-gray: #4A4A4A;
    --border-subtle: rgba(148, 132, 96, 0.2);

    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--deep-charcoal);
    background-color: var(--paper-white);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ═══════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) var(--space-md);
    transition: background 0.4s ease, backdrop-filter 0.4s ease;
}

.nav.scrolled {
    background: rgba(245, 245, 247, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 0.5px solid var(--border-subtle);
}

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

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--deep-charcoal);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-links a {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--body-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.nav-cta {
    padding: 0.5rem 1.25rem;
    border: 0.5px solid var(--muted-gold);
    color: var(--muted-gold) !important;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: var(--muted-gold);
    color: var(--paper-white) !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--deep-charcoal);
    transition: transform 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--paper-white);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

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

.mobile-menu a {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--deep-charcoal);
    text-decoration: none;
}

/* ═══════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-xl) var(--space-md);
    position: relative;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.hero-eyebrow {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted-gold);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--deep-charcoal);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeUp 0.8s ease 0.4s forwards;
}

.hero-subline {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--body-gray);
    opacity: 0;
    animation: fadeUp 0.8s ease 0.6s forwards;
}

.hero-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    opacity: 0;
    animation: fadeUp 0.8s ease 0.8s forwards;
}

.hero-line {
    display: block;
    width: 40px;
    height: 0.5px;
    background: var(--muted-gold);
}

.hero-label {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted-gold);
}

.hero-portraits {
    display: flex;
    justify-content: center;
    opacity: 0;
    animation: fadeIn 1.2s ease 0.6s forwards;
}

.portrait-group {
    display: flex;
    gap: var(--space-sm);
    position: relative;
}

.portrait {
    overflow: hidden;
    position: relative;
}

.portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.05);
    transition: filter 0.6s ease;
}

.portrait:hover img {
    filter: grayscale(80%) contrast(1.1);
}

.portrait-peterka {
    width: 200px;
    height: 280px;
    margin-top: var(--space-md);
}

.portrait-peick {
    width: 200px;
    height: 280px;
    margin-top: 0;
}

/* ═══════════════════════════════════════════════════════
   PROBLEM SECTION
   ═══════════════════════════════════════════════════════ */

.problem {
    padding: var(--space-xl) 0;
    background: var(--deep-charcoal);
}

.problem-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-lg);
    position: relative;
}

.problem-accent {
    position: absolute;
    left: 0;
    top: var(--space-lg);
    bottom: var(--space-lg);
    width: 0.5px;
    background: var(--muted-gold);
}

.problem-text {
    font-family: var(--font-serif);
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    font-weight: 300;
    line-height: 1.6;
    color: var(--paper-white);
    font-style: italic;
}

/* ═══════════════════════════════════════════════════════
   SECTION COMMON
   ═══════════════════════════════════════════════════════ */

.section-header {
    margin-bottom: var(--space-xl);
}

.section-eyebrow {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted-gold);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 400;
    line-height: 1.25;
    color: var(--deep-charcoal);
}

/* ═══════════════════════════════════════════════════════
   FRAMEWORK / TIMELINE
   ═══════════════════════════════════════════════════════ */

.framework {
    padding: var(--space-2xl) 0;
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 28px;
    top: 0;
    bottom: 0;
    width: 0.5px;
    background: var(--border-subtle);
}

.timeline-step {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    position: relative;
}

.step-marker {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0.5px solid var(--muted-gold);
    background: var(--paper-white);
    position: relative;
    z-index: 1;
}

.step-number {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--muted-gold);
}

.step-content {
    padding-top: 0.75rem;
}

.step-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--deep-charcoal);
    margin-bottom: 0.25rem;
}

.step-period {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted-gold);
    margin-bottom: var(--space-xs);
}

.step-description {
    font-size: 0.95rem;
    color: var(--body-gray);
    max-width: 500px;
}

.framework-note {
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 0.5px solid var(--border-subtle);
    text-align: center;
}

.framework-note p {
    font-size: 0.9rem;
    color: var(--body-gray);
    font-style: italic;
}

/* ═══════════════════════════════════════════════════════
   TANDEM SECTION
   ═══════════════════════════════════════════════════════ */

.tandem {
    padding: var(--space-2xl) 0;
    background: var(--deep-charcoal);
}

.tandem .section-eyebrow {
    color: var(--muted-gold);
}

.tandem .section-title {
    color: var(--paper-white);
}

.tandem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.tandem-member {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.member-portrait {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    max-height: 400px;
}

.member-portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    filter: grayscale(100%) contrast(1.05);
    transition: filter 0.6s ease;
}

.member-portrait:hover img {
    filter: grayscale(80%) contrast(1.1);
}

.member-role {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted-gold);
    margin-bottom: 0.25rem;
}

.member-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--paper-white);
    margin-bottom: var(--space-xs);
}

.member-description {
    font-size: 0.9rem;
    color: rgba(245, 245, 247, 0.7);
    line-height: 1.7;
}

.tandem-essence {
    padding-top: var(--space-md);
    border-top: 0.5px solid var(--border-subtle);
    text-align: center;
}

.tandem-essence p {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-style: italic;
    color: rgba(245, 245, 247, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════
   APPLY SECTION
   ═══════════════════════════════════════════════════════ */

.apply {
    padding: var(--space-2xl) 0;
}

.apply-inner {
    max-width: 600px;
    margin: 0 auto;
}

.apply-note {
    font-size: 0.95rem;
    color: var(--body-gray);
    margin-top: var(--space-sm);
}

.apply-form {
    margin-top: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--body-gray);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 0;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--deep-charcoal);
    background: transparent;
    border: none;
    border-bottom: 0.5px solid var(--border-subtle);
    outline: none;
    transition: border-color 0.3s ease;
    border-radius: 0;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-bottom-color: var(--muted-gold);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    cursor: pointer;
}

.form-submit {
    display: inline-block;
    margin-top: var(--space-md);
    padding: 1rem 2.5rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--paper-white);
    background: var(--deep-charcoal);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit:hover {
    background: var(--muted-gold);
}

.form-disclaimer {
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    color: var(--body-gray);
    opacity: 0.7;
}

/* ═══════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════ */

.footer {
    padding: var(--space-lg) 0;
    border-top: 0.5px solid var(--border-subtle);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-mark {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--body-gray);
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    font-size: 0.75rem;
    color: var(--body-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--deep-charcoal);
}

/* ═══════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════ */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════ */

@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }

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

    .hero-portraits {
        order: -1;
    }

    .portrait-peterka,
    .portrait-peick {
        width: 160px;
        height: 220px;
    }

    .portrait-peterka {
        margin-top: var(--space-sm);
    }

    .tandem-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .member-portrait {
        max-height: 350px;
    }
}

@media (max-width: 640px) {
    :root {
        --space-xl: 5rem;
        --space-2xl: 7rem;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero {
        padding-top: 6rem;
    }

    .portrait-peterka,
    .portrait-peick {
        width: 130px;
        height: 180px;
    }

    .hero-headline {
        font-size: 1.8rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}