/* SimeonGarratt.com Editorial Design System */

:root {
    --black: #0a0a0a;
    --white: #ffffff;
    --red: #ff0000;
    --red-dim: rgba(255, 0, 0, 0.1);
    --red-glow: rgba(255, 0, 0, 0.3);
    --grey: #6b6b6b;
    --grey-light: #999999;
    
    --bg: var(--black);
    --fg: var(--white);
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

:root.light-mode {
    --bg: var(--white);
    --fg: var(--black);
    --grey: #b0b0b0;
    --grey-light: #666666;
    --red-dim: rgba(255, 0, 0, 0.05);
    --red-glow: rgba(255, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.6s var(--ease), color 0.6s var(--ease);
}

::selection {
    background: var(--red);
    color: var(--white);
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* Typography Scale */
.t-display-huge {
    font-family: var(--font-display);
    font-size: clamp(4rem, 15vw, 12rem);
    line-height: 0.9;
    font-weight: 400;
    letter-spacing: -0.04em;
}

.t-display-xl {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 7rem);
    line-height: 0.95;
    font-weight: 400;
    letter-spacing: -0.03em;
}

.t-display-lg {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.t-display-md {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 1.1;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.t-display-sm {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    line-height: 1.2;
    font-weight: 400;
}

.t-body-lg {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.7;
    font-weight: 400;
    letter-spacing: 0.01em;
}

.t-body {
    font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
    line-height: 1.7;
    font-weight: 400;
}

.t-caption {
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 500;
}

.t-italic {
    font-style: italic;
}

.t-grey {
    color: var(--grey);
}

.t-grey-light {
    color: var(--grey-light);
}

/* Layout System */
.section {
    padding: clamp(100px, 15vw, 180px) clamp(30px, 5vw, 60px);
}

.section-lg {
    padding: clamp(140px, 20vw, 240px) clamp(30px, 5vw, 60px);
}

.section-md {
    padding: clamp(80px, 12vw, 140px) clamp(30px, 5vw, 60px);
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.container-narrow {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: clamp(20px, 3vh, 40px) clamp(30px, 5vw, 60px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    transition: all 0.4s var(--ease);
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: clamp(15px, 2vh, 25px) clamp(30px, 5vw, 60px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.light-mode .nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    letter-spacing: -0.01em;
    color: var(--fg);
    transition: transform 0.3s var(--ease), color 0.6s var(--ease);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: clamp(30px, 4vw, 50px);
    align-items: center;
}

.nav-links a {
    font-size: 0.875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 400;
    position: relative;
    transition: opacity 0.3s var(--ease), color 0.6s var(--ease);
    opacity: 0.8;
    color: var(--fg);
}

.nav-links a:hover {
    opacity: 1;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--red);
    transition: width 0.4s var(--ease);
}

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

.nav-cta,
.light-toggle {
    font-size: 0.875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 14px 28px;
    background: var(--white);
    color: var(--black);
    border: 2px solid var(--white);
    font-weight: 500;
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    white-space: nowrap;
}

.light-mode .nav-cta,
.light-mode .light-toggle {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.nav-right {
    display: flex;
    gap: 15px;
    align-items: center;
}

.nav-cta::before,
.light-toggle::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--red);
    transform: translateX(-100%);
    transition: transform 0.4s var(--ease);
    z-index: -1;
}

.nav-cta:hover,
.light-toggle:hover {
    color: var(--white);
    border-color: var(--red);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 0, 0, 0.3);
}

.nav-cta:hover::before,
.light-toggle:hover::before {
    transform: translateX(0);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--fg);
    transition: all 0.3s var(--ease);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
}

.light-mode .mobile-menu {
    background: rgba(255, 255, 255, 0.98);
}

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

.mobile-menu a {
    font-size: 1.5rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 400;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s var(--ease);
}

.mobile-menu.active a {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu a:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu a:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu a:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu a:nth-child(5) { transition-delay: 0.3s; }

/* Footer */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: clamp(60px, 10vw, 100px) clamp(30px, 5vw, 60px);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: clamp(40px, 6vw, 80px);
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--grey-light);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--grey-light);
    font-weight: 500;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--white);
    font-size: 0.9375rem;
    transition: color 0.3s var(--ease);
}

.footer-col ul li a:hover {
    color: var(--red);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
    color: var(--grey);
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: 30px;
}

.footer-social a {
    color: var(--grey-light);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.3s var(--ease);
}

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

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.reveal-delay-1 {
    transition-delay: 0.15s;
}

.reveal-delay-2 {
    transition-delay: 0.3s;
}

.reveal-delay-3 {
    transition-delay: 0.45s;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta,
    .light-toggle {
        display: none;
    }

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

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-social {
        gap: 20px;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }
.mb-80 { margin-bottom: 80px; }