/* ===================================
   The Second Draft — Design System
   Dark editorial. Psychology, neuroscience, the examined life.
   =================================== */

/* ===================================
   Design Tokens
   =================================== */
:root {
    /* Colors */
    --color-bg-primary: #0A0A0A;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1A1A1A;
    --color-text-primary: #F5F0E8;
    --color-text-secondary: #A09A8E;
    --color-accent: #C9A96E;
    --color-border: #2A2A2A;
    --color-error: #8B3A3A;

    /* Typography */
    --font-headline: 'Cormorant Garamond', serif;
    --font-body: 'Source Serif 4', serif;

    /* Spacing (8px base) */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 48px;
    --space-xl: 80px;
    --space-xxl: 120px;

    /* Layout */
    --max-content: 1200px;
    --max-narrow: 720px;
    --gutter: 24px;

    /* Transitions */
    --transition-default: 0.2s ease;
    --transition-animate: 0.4s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-padding-top: 80px;
    scrollbar-width: thin;
    scrollbar-color: #2A2A2A #111111;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 18px;
    line-height: 1.75;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Scrollbar — Webkit */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #111111;
}

::-webkit-scrollbar-thumb {
    background: #2A2A2A;
}

/* Selection */
::selection {
    background: var(--color-accent);
    color: var(--color-bg-primary);
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    padding: var(--space-xs) var(--space-sm);
    z-index: 9999;
    font-family: var(--font-body);
    font-size: 14px;
}

.skip-link:focus {
    top: 0;
}

/* ===================================
   Typography
   =================================== */
h1 {
    font-family: var(--font-headline);
    font-weight: 300;
    font-size: 72px;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

h2 {
    font-family: var(--font-headline);
    font-weight: 300;
    font-size: 48px;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
}

h3 {
    font-family: var(--font-headline);
    font-weight: 400;
    font-size: 32px;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h4 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 24px;
    line-height: 1.3;
    color: var(--color-text-primary);
}

.body-large {
    font-size: 20px;
    line-height: 1.7;
    font-weight: 300;
}

.caption {
    font-size: 14px;
    line-height: 1.5;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.nav-text {
    font-size: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 400;
}

/* ===================================
   Layout
   =================================== */
.container {
    max-width: var(--max-content);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

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

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

/* ===================================
   Links
   =================================== */
a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all var(--transition-default);
}

a:hover {
    text-decoration: underline;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-default);
}

.navbar-container {
    max-width: var(--max-content);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-family: var(--font-headline);
    font-weight: 400;
    font-size: 18px;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    text-decoration: none;
    white-space: nowrap;
}

.logo:hover {
    text-decoration: none;
    color: var(--color-accent);
}

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

.nav-link {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-default);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
    text-decoration: none;
}

.nav-cta {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 10px 24px;
    border: none;
    border-radius: 0;
    text-decoration: none;
    transition: opacity var(--transition-default);
    cursor: pointer;
    white-space: nowrap;
}

.nav-cta:hover {
    opacity: 0.85;
    text-decoration: none;
}

/* Hamburger Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-default);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4.5px, 4.5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* ===================================
   Buttons
   =================================== */
.btn-primary {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 16px 40px;
    border: none;
    border-radius: 0;
    text-decoration: none;
    cursor: pointer;
    transition: opacity var(--transition-default);
}

.btn-primary:hover {
    opacity: 0.85;
    text-decoration: none;
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--color-accent);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 16px 40px;
    border: 1px solid var(--color-accent);
    border-radius: 0;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-default);
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    text-decoration: none;
}

/* ===================================
   Form Elements
   =================================== */
input[type="email"],
input[type="text"],
textarea {
    display: block;
    width: 100%;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 300;
    padding: 16px 20px;
    border-radius: 0;
    outline: none;
    transition: border-color var(--transition-default);
    -webkit-appearance: none;
}

input[type="email"]::placeholder,
input[type="text"]::placeholder,
textarea::placeholder {
    color: var(--color-text-secondary);
}

input[type="email"]:focus,
input[type="text"]:focus,
textarea:focus {
    border-color: var(--color-accent);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-form input {
    flex: 1;
}

/* ===================================
   Essay Card
   =================================== */
.essay-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 40px;
    transition: border-color var(--transition-default);
}

.essay-card:hover {
    border-color: var(--color-accent);
}

.card-pillar {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.card-title {
    font-family: var(--font-headline);
    font-weight: 400;
    font-size: 32px;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.card-excerpt {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 18px;
    line-height: 1.75;
    color: var(--color-text-secondary);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

/* ===================================
   Divider
   =================================== */
hr,
.divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-lg) 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.footer-heading {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.footer-brand-description {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 16px;
    text-decoration: none;
    transition: color var(--transition-default);
}

.footer-links a:hover {
    color: var(--color-text-primary);
    text-decoration: none;
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    color: var(--color-text-secondary);
    font-size: 14px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer-social a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-lg);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* ===================================
   Section Backgrounds
   =================================== */
.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }

/* ===================================
   Animations
   =================================== */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-animate), transform var(--transition-animate);
}

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

.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* ===================================
   Color Swatches (demo only)
   =================================== */
.swatch-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

.swatch {
    padding: var(--space-lg) var(--space-md);
    border: 1px solid var(--color-border);
}

.swatch-label {
    font-size: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
    opacity: 0.7;
}

.swatch-value {
    font-size: 14px;
    font-family: monospace;
}

/* ===================================
   Media Queries
   =================================== */
@media (max-width: 768px) {
    :root {
        --gutter: 16px;
    }

    /* Typography — Mobile */
    h1 { font-size: 42px; }
    h2 { font-size: 32px; }
    h3 { font-size: 24px; }
    h4 { font-size: 20px; }
    .body-large { font-size: 18px; }
    body { font-size: 16px; }

    /* Navigation — Mobile */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-lg);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-default), visibility var(--transition-default);
        z-index: 999;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-menu .nav-link {
        font-size: 18px;
    }

    /* Cards — Mobile */
    .card-grid {
        grid-template-columns: 1fr;
    }

    .essay-card {
        padding: var(--space-md);
    }

    /* Footer — Mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    /* Newsletter Form — Mobile */
    .newsletter-form {
        flex-direction: column;
    }

    /* Swatches — Mobile */
    .swatch-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Section Padding — Mobile */
    .section-padding {
        padding: var(--space-lg) 0;
    }
}

/* ===================================
   Global mobile foundation
   =================================== */
img, video, svg, iframe {
    max-width: 100%;
    height: auto;
}

/* ===================================
   Tablet (1024px)
   =================================== */
@media (max-width: 1024px) {
    /* Multi-col grids → 2 col */
    [style*="grid-template-columns: 1fr 1fr 1fr 1fr"],
    [style*="grid-template-columns: repeat(4"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    [style*="grid-template-columns: 1.5fr 1fr 1fr 1.5fr"] {
        grid-template-columns: 1fr 1fr !important;
        gap: 32px !important;
    }
    [style*="grid-template-columns: 55% 45%"] {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }

    /* Heading scale */
    [style*="font-size: 72px"] { font-size: 52px !important; }
    [style*="font-size: 64px"] { font-size: 44px !important; }
    [style*="font-size: 56px"] { font-size: 40px !important; }
}

/* ===================================
   Mobile (768px) — Complete rewrite
   =================================== */
@media (max-width: 768px) {

    /* --- LAYOUT LOCK --- */
    html {
        overflow-x: hidden !important;
    }
    body {
        overflow-x: hidden !important;
        width: 100% !important;
    }

    /* --- GRIDS → SINGLE COLUMN --- */
    [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-column: span 2"] {
        grid-column: span 1 !important;
    }

    /* --- TYPOGRAPHY SCALE --- */
    [style*="font-size: 72px"] { font-size: 34px !important; }
    [style*="font-size: 64px"] { font-size: 30px !important; }
    [style*="font-size: 56px"] { font-size: 28px !important; }
    [style*="font-size: 54px"] { font-size: 28px !important; }
    [style*="font-size: 52px"] { font-size: 26px !important; }
    [style*="font-size: 48px"] { font-size: 26px !important; }
    [style*="font-size: 42px"] { font-size: 24px !important; }
    [style*="font-size: 36px"] { font-size: 22px !important; }
    [style*="font-size: 32px"] { font-size: 20px !important; }
    [style*="font-size: 28px"] { font-size: 19px !important; }

    /* --- HERO SECTIONS --- */
    /* Homepage hero: keep vertical centering but reduce min-height */
    [style*="min-height: 100vh"] {
        min-height: 80vh !important;
    }
    [style*="min-height: 80vh"] {
        min-height: 70vh !important;
    }
    [style*="min-height: 60vh"],
    [style*="min-height: 50vh"] {
        min-height: auto !important;
        padding-top: 100px !important;
        padding-bottom: 48px !important;
    }
    /* Homepage hero margin fix */
    [style*="margin-left: 6%"] {
        margin-left: 0 !important;
    }

    /* --- PADDING REDUCTION --- */
    section[style*="padding: 120px"],
    section[style*="padding: 120px 0"] {
        padding: 64px 0 !important;
    }
    section[style*="padding: 100px 0"] {
        padding: 56px 0 !important;
    }
    section[style*="padding: 80px 0"] {
        padding: 48px 0 !important;
    }
    [style*="padding: 120px 24px"] {
        padding: 80px 16px 48px !important;
    }
    [style*="padding: 80px 24px"] {
        padding: 48px 16px !important;
    }
    [style*="padding: 0 24px"] {
        padding-left: 16px !important;
        padding-right: 16px !important;
    }
    [style*="padding: 48px"] {
        padding: 24px !important;
    }
    [style*="padding: 40px"] {
        padding: 24px !important;
    }
    [style*="padding: 64px 24px"] {
        padding: 40px 16px !important;
    }
    [style*="padding-top: 120px"] {
        padding-top: 80px !important;
    }

    /* --- MAX-WIDTH UNLOCK --- */
    [style*="max-width: 1200px"],
    [style*="max-width: 900px"],
    [style*="max-width: 800px"],
    [style*="max-width: 760px"],
    [style*="max-width: 720px"],
    [style*="max-width: 680px"],
    [style*="max-width: 640px"],
    [style*="max-width: 600px"],
    [style*="max-width: 560px"],
    [style*="max-width: 520px"],
    [style*="max-width: 480px"] {
        max-width: 100% !important;
    }

    /* --- EMAIL FORMS: STAY INLINE --- */
    /* Keep email input+button on same row, just let them shrink */
    input[type="email"][style*="flex: 1"],
    input[style*="flex: 1"][style*="height: 52px"],
    input[style*="flex: 1"][style*="height: 48px"] {
        min-width: 0 !important;
    }
    button[style*="padding: 0 32px"] {
        padding: 0 16px !important;
        font-size: 10px !important;
    }
    button[style*="white-space: nowrap"] {
        font-size: 10px !important;
        padding-left: 14px !important;
        padding-right: 14px !important;
    }

    /* --- GAP REDUCTION --- */
    [style*="gap: 80px"] { gap: 32px !important; }
    [style*="gap: 48px"] { gap: 24px !important; }
    [style*="gap: 40px"] { gap: 20px !important; }

    /* --- PLATFORM LINKS WRAP --- */
    div[style*="display: flex"][style*="align-items: center"][style*="gap: 32px"] {
        flex-wrap: wrap !important;
        gap: 12px !important;
    }

    /* --- FOOTER BOTTOM BAR STACK --- */
    div[style*="justify-content: space-between"][style*="border-top"] {
        flex-direction: column !important;
        gap: 8px !important;
        text-align: center !important;
    }

    /* --- ESSAY BODY TEXT --- */
    article[style*="font-size: 20px"] {
        font-size: 17px !important;
        padding-left: 16px !important;
        padding-right: 16px !important;
    }

    /* --- BLOCKQUOTES --- */
    blockquote[style*="font-size: 28px"] {
        font-size: 20px !important;
        padding-left: 20px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    /* --- DIAGNOSTIC QUIZ --- */
    .quiz-screen[style*="min-height: 100vh"] {
        min-height: auto !important;
    }
    .answer-option {
        padding: 18px 20px !important;
        font-size: 15px !important;
    }

    /* --- WORK PAGE FORM --- */
    textarea, input[type="text"], input[type="email"] {
        width: 100% !important;
        max-width: 100% !important;
    }

    /* --- STICKY FILTER BAR --- */
    div[style*="position: sticky"] {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }
    div[style*="position: sticky"] > div[style*="display: flex"][style*="gap: 40px"] {
        gap: 20px !important;
        min-width: max-content;
        padding-right: 16px !important;
    }
}

/* ===================================
   Small Mobile (480px)
   =================================== */
@media (max-width: 480px) {
    [style*="font-size: 72px"] { font-size: 28px !important; }
    [style*="font-size: 64px"] { font-size: 26px !important; }
    [style*="font-size: 56px"],
    [style*="font-size: 54px"],
    [style*="font-size: 52px"] { font-size: 24px !important; }
    [style*="font-size: 48px"],
    [style*="font-size: 42px"] { font-size: 22px !important; }
    [style*="font-size: 36px"] { font-size: 20px !important; }
    [style*="font-size: 32px"] { font-size: 18px !important; }

    article[style*="font-size: 20px"] {
        font-size: 16px !important;
    }

    blockquote[style*="font-size: 28px"] {
        font-size: 18px !important;
    }

    button[style*="white-space: nowrap"] {
        font-size: 9px !important;
        padding-left: 10px !important;
        padding-right: 10px !important;
        letter-spacing: 0.05em !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .fade-up {
        opacity: 1;
        transform: none;
    }
}