/* ===== CSS Variables ===== */
:root {
    --color-bg: #0a0a0a;
    --color-bg-elevated: #111111;
    --color-bg-accent: #1a1a1a;
    --color-text: #f5f5f0;
    --color-text-muted: #8a8a85;
    --color-text-subtle: #5a5a55;
    --color-accent: #c9a962;
    --color-accent-dim: #a08840;
    --color-border: #2a2a28;
    
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Libre Franklin', -apple-system, sans-serif;
    
    --container-max: 1200px;
    --container-narrow: 800px;
    --spacing-unit: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 17px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--color-accent);
    color: var(--color-bg);
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
}

h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h3 {
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    letter-spacing: -0.01em;
}

p {
    margin-bottom: 1.5em;
}

p:last-child {
    margin-bottom: 0;
}

.lead {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-text);
}

/* ===== Layout ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 4);
}

section {
    padding: calc(var(--spacing-unit) * 16) 0;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 5);
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease;
}

.nav.scrolled {
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: calc(var(--spacing-unit) * 4);
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    background: var(--color-text);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:first-child {
    transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle.active span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(201, 169, 98, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(201, 169, 98, 0.04) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
}

.hero-content {
    position: relative;
    text-align: center;
    padding: calc(var(--spacing-unit) * 4);
    animation: fadeInUp 1.2s ease-out;
}

.hero-label {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: calc(var(--spacing-unit) * 4);
    animation: fadeInUp 1.2s ease-out 0.2s both;
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-text);
    animation: fadeInUp 1.2s ease-out 0.4s both;
}

.hero-divider {
    width: 60px;
    height: 1px;
    background: var(--color-accent);
    margin: calc(var(--spacing-unit) * 5) auto 0;
    animation: expandWidth 1s ease-out 0.8s both;
}

.scroll-indicator {
    position: absolute;
    bottom: calc(var(--spacing-unit) * 5);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--spacing-unit) * 1.5);
    animation: fadeIn 1s ease-out 1.2s both;
}

.scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-text-subtle), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* ===== Mission ===== */
.mission {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.mission-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
    text-align: center;
}

.mission-content .lead {
    font-size: 1.5rem;
    margin-bottom: 2em;
}

.mission-content p {
    color: var(--color-text-muted);
}

/* ===== Section Header ===== */
.section-header {
    display: flex;
    align-items: baseline;
    gap: calc(var(--spacing-unit) * 3);
    margin-bottom: calc(var(--spacing-unit) * 8);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-header.revealed {
    opacity: 1;
    transform: translateY(0);
}

.section-number {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 10);
}

.about-main .lead {
    font-size: 1.6rem;
    font-family: var(--font-display);
    font-style: italic;
}

.about-secondary p {
    color: var(--color-text-muted);
}

/* ===== Work ===== */
.work {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
}

.work-intro {
    max-width: var(--container-narrow);
    margin-bottom: calc(var(--spacing-unit) * 10);
}

.work-intro p {
    color: var(--color-text-muted);
}

.work-areas {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 4);
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.work-card {
    padding: calc(var(--spacing-unit) * 5);
    background: var(--color-bg-accent);
    border: 1px solid var(--color-border);
    transition: border-color 0.4s ease, transform 0.4s ease;
    opacity: 0;
    transform: translateY(40px);
}

.work-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.work-card:nth-child(1) { transition-delay: 0.1s; }
.work-card:nth-child(2) { transition-delay: 0.2s; }
.work-card:nth-child(3) { transition-delay: 0.3s; }

.work-card:hover {
    border-color: var(--color-accent-dim);
    transform: translateY(-4px);
}

.work-card-number {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.work-card h3 {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.work-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.work-cta {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-style: italic;
    color: var(--color-accent);
    text-align: center;
}

/* ===== Approach ===== */
.approach-content {
    max-width: var(--container-narrow);
    margin-bottom: calc(var(--spacing-unit) * 10);
}

.approach-content p {
    color: var(--color-text-muted);
}

.principles {
    max-width: var(--container-narrow);
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.principles-title {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    margin-bottom: calc(var(--spacing-unit) * 5);
}

.principle {
    display: flex;
    gap: calc(var(--spacing-unit) * 4);
    padding: calc(var(--spacing-unit) * 4) 0;
    border-bottom: 1px solid var(--color-border);
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.principle.revealed {
    opacity: 1;
    transform: translateX(0);
}

.principle:nth-child(2) { transition-delay: 0.1s; }
.principle:nth-child(3) { transition-delay: 0.2s; }
.principle:nth-child(4) { transition-delay: 0.3s; }

.principle-marker {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    margin-top: calc(var(--spacing-unit) * 1.5);
    flex-shrink: 0;
}

.principle h4 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.principle p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.approach-conclusion {
    max-width: var(--container-narrow);
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-text-muted);
}

/* ===== Projects ===== */
.projects {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.projects-content {
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 15);
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.projects-highlight {
    text-align: center;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.projects-highlight.revealed {
    opacity: 1;
    transform: scale(1);
}

.projects-highlight:nth-child(2) {
    transition-delay: 0.15s;
}

.highlight-number {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 7rem);
    font-weight: 400;
    color: var(--color-accent);
    line-height: 1;
}

.highlight-label {
    display: block;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-top: calc(var(--spacing-unit) * 2);
}

.projects-text {
    max-width: var(--container-narrow);
    margin: 0 auto;
    text-align: center;
}

.projects-text p {
    color: var(--color-text-muted);
}

/* ===== Services ===== */
.services-intro {
    max-width: var(--container-narrow);
    margin-bottom: calc(var(--spacing-unit) * 8);
    color: var(--color-text-muted);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 6);
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.service {
    padding: calc(var(--spacing-unit) * 5) 0;
    border-top: 2px solid var(--color-accent);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service.revealed {
    opacity: 1;
    transform: translateY(0);
}

.service:nth-child(1) { transition-delay: 0.1s; }
.service:nth-child(2) { transition-delay: 0.2s; }
.service:nth-child(3) { transition-delay: 0.3s; }

.service h3 {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.service p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.services-conclusion {
    max-width: var(--container-narrow);
    font-style: italic;
    color: var(--color-text-muted);
}

/* ===== Vision ===== */
.vision {
    background: 
        radial-gradient(ellipse 80% 60% at 20% 100%, rgba(201, 169, 98, 0.06) 0%, transparent 50%),
        var(--color-bg);
}

.vision-content {
    max-width: var(--container-narrow);
}

.vision-lead {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: 1.5em;
}

.vision-content p {
    color: var(--color-text-muted);
}

.vision-content blockquote {
    margin-top: calc(var(--spacing-unit) * 8);
    padding-left: calc(var(--spacing-unit) * 4);
    border-left: 2px solid var(--color-accent);
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-style: italic;
    color: var(--color-text);
}

/* ===== Contact ===== */
.contact {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    text-align: center;
    padding: calc(var(--spacing-unit) * 20) 0;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact h2 {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.contact p {
    color: var(--color-text-muted);
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.contact-email {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-accent);
    text-decoration: none;
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.contact-email:hover {
    border-bottom-color: var(--color-accent);
}

/* ===== Footer ===== */
.footer {
    padding: calc(var(--spacing-unit) * 8) 0;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--color-text-subtle);
    font-style: italic;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes expandWidth {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 60px;
        opacity: 1;
    }
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.8;
        transform: scaleY(1.2);
    }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 6);
    }
    
    .work-areas {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 3);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 4);
    }
    
    .projects-content {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 8);
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: calc(var(--spacing-unit) * 4);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease, visibility 0.4s ease;
    }
    
    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        font-size: 1.2rem;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 10;
    }
    
    section {
        padding: calc(var(--spacing-unit) * 10) 0;
    }
    
    .hero-headline {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
    
    .section-header {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 1);
    }
    
    .vision-lead {
        font-size: 1.5rem;
    }
    
    .vision-content blockquote {
        font-size: 1.2rem;
    }
}