:root {
    /* Modern WCAG 2.1 AA Compliant Palette */
    --color-navy: #0F172A;          /* Slate-900: Primary dark */
    --color-slate: #1E293B;         /* Slate-800: Secondary dark */
    --color-accent-primary: #2f6364; /* Sky-500: Modern blue accent */
    --color-accent-secondary: #00df59; /* Amber-500: Warm accent */
    --color-white: #FFFFFF;         /* Pure white */
    --color-cream: #F8FAFC;         /* Slate-50: Light background */
    --color-light-gray: #E2E8F0;    /* Slate-200: Medium background */
    --color-gray: #7b8473;          /* Slate-600: Text gray (7:1 contrast on white) */
    --color-dark: #0F172A;          /* Same as navy */

    /* Legacy color mappings for compatibility */
    --color-green: #596d69;         /* Emerald-600: Accessible green */
    --color-burgundy: #744033;      /* Red-600: Accessible red */

    --font-display: 'Fraunces', serif;
    --font-body: 'Outfit', sans-serif;

    /* Typography Scale (1.25 ratio - Major Third) */
    --text-xs: 0.8rem;        /* 12.8px - Fine print */
    --text-sm: 0.875rem;      /* 14px - Small UI text */
    --text-base: 1rem;        /* 16px - Body text */
    --text-lg: 1.25rem;       /* 20px - Emphasized text */
    --text-xl: 1.5625rem;     /* 25px - Subheadings */
    --text-2xl: 1.953rem;     /* 31.25px - Small headings */
    --text-3xl: 2.441rem;     /* 39px - Medium headings */
    --text-4xl: 3.052rem;     /* 49px - Large headings */
    --text-5xl: 3.815rem;     /* 61px - Hero text */

    /* Line Heights */
    --leading-tight: 1.1;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.6;
    --leading-loose: 1.8;

    /* Font Weights */
    --weight-light: 300;
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --weight-black: 900;

    /* Spacing Scale (8px base) */
    --space-1: 0.5rem;     /* 8px */
    --space-2: 1rem;       /* 16px */
    --space-3: 1.5rem;     /* 24px */
    --space-4: 2rem;       /* 32px */
    --space-6: 3rem;       /* 48px */
    --space-8: 4rem;       /* 64px */
    --space-12: 6rem;      /* 96px */

    --container-width: 1400px;
    --container-padding: 2rem;

    --transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--color-dark);
    background: var(--color-white);
    overflow-x: hidden;
}

/* Global focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

/* Respect user's motion preferences (accessibility) */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(26, 35, 50, 0.1);
    animation: slideDown 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 1.5rem var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
}

.logo-main {
    color: var(--color-navy);
}

.logo-suffix {
    color: var(--color-burgundy);
    font-style: italic;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-navy);
    font-weight: var(--weight-medium);
    font-size: var(--text-sm);
    letter-spacing: -0.01em;
    position: relative;
    transition: var(--transition-fast);
}

.nav-links a:not(.nav-cta):hover {
    color: var(--color-burgundy);
}

.nav-links a:not(.nav-cta):focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 4px;
    border-radius: 2px;
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-burgundy);
    transition: var(--transition-fast);
}

.nav-links a:not(.nav-cta):hover::after {
    width: 100%;
}

/* Navigation CTA extends button system */
.nav-cta {
    /* Inherits from .btn and .btn-primary via class="btn btn-primary nav-cta" in HTML */
    /* Custom overrides for nav context */
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem var(--container-padding) 4rem;
    position: relative;
    background: linear-gradient(135deg, var(--color-cream) 0%, #f8f6f1 100%);
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-label {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent-primary);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-3);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 8vw, 6rem);
    line-height: var(--leading-tight);
    font-weight: var(--weight-black);
    color: var(--color-navy);
    margin-bottom: var(--space-4);
    display: flex;
    flex-direction: column;
}

.hero-line {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-line:nth-child(1) {
    animation-delay: 0.3s;
}

.hero-line:nth-child(2) {
    animation-delay: 0.4s;
}

.hero-line:nth-child(3) {
    animation-delay: 0.5s;
}

.hero-line-accent {
    color: var(--color-accent-primary);
    font-style: italic;
    padding-left: 3rem;
}

.hero-description {
    font-size: var(--text-lg);
    line-height: var(--leading-loose);
    color: var(--color-gray);
    max-width: 600px;
    margin-bottom: var(--space-4);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

.hero-location {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    color: var(--color-navy);
    font-weight: var(--weight-medium);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.7s both;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.8s both;
}

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

.hero-services {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-service-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--color-white);
    border-radius: 12px;
    transition: var(--transition-fast);
    text-decoration: none;
    color: inherit;
    border: 2px solid transparent;
}

.hero-service-item:hover {
    border-color: var(--color-accent-primary);
    transform: translateX(8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.hero-service-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--color-cream);
    color: var(--color-accent-primary);
    transition: var(--transition-fast);
}

.hero-service-item:hover .hero-service-icon {
    background: var(--color-accent-primary);
    color: var(--color-white);
}

.hero-service-content h3 {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin-bottom: 0.25rem;
}

.hero-service-content p {
    font-size: var(--text-sm);
    color: var(--color-gray);
    line-height: var(--leading-normal);
    margin: 0;
}

/* Disable animations on mobile and for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .hero-service-item,
    .hero-service-icon,
    * {
        animation: none !important;
        transition: none !important;
    }
}

@media (max-width: 768px) {
    .hero-service-item {
        transition: none;
    }

    .hero-service-item:hover {
        transform: none;
    }
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    color: var(--color-gray);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1s both;
}

.scroll-indicator {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-burgundy) 0%, transparent 100%);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        height: 40px;
    }
    50% {
        opacity: 1;
        height: 60px;
    }
}

/* ============================================
   BUTTON SYSTEM
   ============================================ */

/* Base button styles */
.btn {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1;
}

/* Primary button */
.btn-primary {
    background: var(--color-accent-primary);
    color: var(--color-white);
    border-color: var(--color-accent-primary);
}

.btn-primary:hover {
    background: var(--color-accent-secondary);
    border-color: var(--color-accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(47, 99, 100, 0.3);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 4px;
}

/* Secondary button */
.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-secondary:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 4px;
}

/* Tertiary/Ghost button (for dark backgrounds) */
.btn-tertiary {
    background: var(--color-slate);
    color: var(--color-white);
    border-color: var(--color-slate);
}

.btn-tertiary:hover {
    background: var(--color-navy);
    border-color: var(--color-navy);
    transform: translateY(-2px);
}

.btn-tertiary:focus-visible {
    outline: 2px solid var(--color-slate);
    outline-offset: 4px;
}

/* Outline button (for light backgrounds) */
.btn-outline {
    background: transparent;
    color: var(--color-navy);
    border-color: var(--color-navy);
}

.btn-outline:hover {
    background: var(--color-navy);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-outline:focus-visible {
    outline: 2px solid var(--color-navy);
    outline-offset: 4px;
}

/* Small button variant */
.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-sm);
}

/* Large button variant */
.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-lg);
}

/* Full-width button */
.btn-block {
    display: block;
    width: 100%;
}

/* Disabled state */
.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Sections */
section {
    padding: 8rem var(--container-padding);
}

.section-header {
    max-width: var(--container-width);
    margin: 0 auto 4rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.section-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--weight-black);
    color: var(--color-accent-primary);
    line-height: var(--leading-tight);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl));
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    line-height: var(--leading-snug);
}

/* Services Section */
.services {
    background: var(--color-white);
}

.services-grid {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.service-card {
    background: var(--color-light-gray);
    padding: 3rem;
    border-radius: 16px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
    background: var(--color-white);
    margin-bottom: 2rem;
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    background: var(--color-accent-primary);
    color: var(--color-white);
    transform: scale(1.05);
}

.service-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin-bottom: var(--space-2);
    line-height: var(--leading-snug);
}

.service-description {
    color: var(--color-gray);
    line-height: var(--leading-loose);
    margin-bottom: var(--space-3);
}

.service-list {
    list-style: none;
}

.service-list li {
    color: var(--color-dark);
    padding: var(--space-1) 0;
    padding-left: var(--space-3);
    position: relative;
    font-size: var(--text-sm);
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent-primary);
    font-weight: var(--weight-semibold);
}

/* Approach Section */
.approach {
    background: var(--color-navy);
    color: var(--color-white);
}

.approach .section-number {
    color: rgba(255, 255, 255, 0.1);
}

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

.approach-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 6rem;
}

.approach-lead {
    font-size: var(--text-xl);
    line-height: var(--leading-relaxed);
    color: var(--color-cream);
    margin-bottom: var(--space-6);
    font-weight: var(--weight-light);
}

.approach-principles {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.principle h4 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--color-cream);
    margin-bottom: var(--space-2);
}

.principle p {
    color: rgba(255, 255, 255, 0.7);
    line-height: var(--leading-loose);
}

.approach-visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3rem;
}

.approach-stat {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.approach-stat:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(8px);
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--weight-black);
    color: var(--color-accent-secondary);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Work Section */
.work {
    background: var(--color-cream);
}

.work-grid {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.work-item {
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.work-item-large {
    grid-column: span 2;
}

.work-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.work-image {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.work-item-large .work-image {
    height: 400px;
}

.work-placeholder {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    z-index: 2;
    transition: var(--transition-smooth);
}

.work-item:hover .work-placeholder {
    transform: scale(1.1);
}

.work-info {
    padding: 2rem;
}

.work-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin-bottom: var(--space-2);
}

.work-description {
    color: var(--color-gray);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-3);
}

.work-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--color-cream);
    color: var(--color-navy);
    padding: var(--space-1) var(--space-2);
    border-radius: 6px;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

/* Archive CTA Section */
.archive-cta {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-slate) 100%);
    color: var(--color-white);
    padding: 8rem var(--container-padding);
    position: relative;
    overflow: hidden;
}

.archive-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(47, 99, 100, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.archive-cta-container {
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.archive-cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.archive-cta-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
    padding: var(--space-1) var(--space-2);
    background: rgba(47, 99, 100, 0.2);
    border-radius: 20px;
}

.archive-cta-title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    color: var(--color-white);
    margin-bottom: var(--space-3);
    line-height: var(--leading-snug);
}

.archive-cta-description {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: var(--leading-loose);
    margin-bottom: var(--space-6);
}

.archive-cta-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.archive-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.archive-stat-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    color: var(--color-accent-primary);
    line-height: var(--leading-tight);
}

.archive-stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.archive-cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

/* Archive CTA actions use button system */
.archive-cta-actions {
    /* Buttons inherit from .btn, .btn-primary, .btn-secondary */
}

/* Testimonial Section */
.testimonial {
    background: var(--color-slate);
    color: var(--color-white);
    padding: 6rem var(--container-padding);
}

.testimonial-container {
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-quote {
    position: relative;
}

.quote-mark {
    color: rgba(255, 255, 255, 0.2);
    margin-bottom: 2rem;
}

.testimonial-text {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    line-height: var(--leading-normal);
    font-weight: var(--weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--space-4);
    font-style: italic;
}

.testimonial-author {
    padding-left: 4rem;
}

.author-name {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--color-cream);
    margin-bottom: 0.25rem;
}

.author-title {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

/* Contact Section */
.contact {
    background: var(--color-white);
}

.contact-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
}

.contact-lead {
    font-size: var(--text-lg);
    line-height: var(--leading-loose);
    color: var(--color-gray);
    margin-bottom: var(--space-6);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--color-light-gray);
    border-radius: 12px;
    transition: var(--transition-fast);
    text-decoration: none;
}

.contact-method:hover {
    background: var(--color-cream);
    transform: translateX(8px);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 8px;
    color: var(--color-burgundy);
    flex-shrink: 0;
}

.method-label {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
    margin-bottom: 0.25rem;
}

.method-value {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
}

.contact-form-container {
    background: var(--color-light-gray);
    padding: 3rem;
    border-radius: 16px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
    font-size: var(--text-sm);
}

.form-group input,
.form-group textarea {
    padding: var(--space-2);
    border: 2px solid transparent;
    background: var(--color-white);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: var(--text-base);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Form validation states */
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #dc2626;
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: #16a34a;
}

/* Error message styling */
.form-error {
    display: none;
    color: #dc2626;
    font-size: var(--text-sm);
    margin-top: 0.25rem;
}

.form-group.has-error .form-error {
    display: block;
}

.form-group.has-error input,
.form-group.has-error textarea {
    border-color: #dc2626;
}

/* Success message styling */
.form-success {
    display: none;
    color: #16a34a;
    font-size: var(--text-sm);
    margin-top: 0.25rem;
}

.form-group.has-success .form-success {
    display: block;
}

/* Form status messages */
#form-status {
    padding: var(--space-2);
    border-radius: 8px;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

#form-status.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #16a34a;
}

#form-status.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #dc2626;
}

/* Required field indicator */
.form-group label.required::after {
    content: ' *';
    color: #dc2626;
}

/* Loading state for submit button */
.form-submit:disabled,
.form-submit.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-submit.loading::after {
    content: '...';
    animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Form submit extends button system */
.form-submit {
    /* Inherits from .btn and .btn-primary */
    /* Can be refactored to use class="btn btn-primary" in HTML */
    background: var(--color-accent-primary);
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    border: none;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: var(--transition-fast);
}

.form-submit:hover {
    background: var(--color-accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(47, 99, 100, 0.3);
}

/* Footer */
.footer {
    background: var(--color-navy);
    color: var(--color-white);
    padding: 4rem var(--container-padding) 2rem;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-2);
}

.footer-logo .logo-main,
.footer-logo .logo-suffix {
    color: var(--color-white);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--color-cream);
    margin-bottom: var(--space-2);
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-accent-primary);
    padding-left: 8px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-cream);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container,
    .approach-container,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .work-grid {
        grid-template-columns: 1fr;
    }

    .work-item-large {
        grid-column: span 1;
    }

    .footer-main {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: 1.5rem;
    }

    .nav-links a {
        font-size: var(--text-sm);
    }

    .nav-cta {
        display: none;
    }

    .hero {
        padding-top: 6rem;
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

    .section-number {
        font-size: var(--text-2xl);
    }

    .section-title {
        font-size: var(--text-2xl);
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}
/* ============================================
   MOBILE NAVIGATION
   Added: 2026-01-19
   ============================================ */

/* Mobile Menu Toggle Button */
.nav-toggle {
    display: none; /* Hidden by default, shown on mobile */
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    position: relative;
}

.nav-toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-navy);
    position: relative;
    transition: var(--transition-fast);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-navy);
    transition: var(--transition-fast);
}

.nav-toggle-icon::before {
    top: -8px;
}

.nav-toggle-icon::after {
    top: 8px;
}

/* Animated hamburger to X */
.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile Navigation Styles */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 6rem 2rem 2rem;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        width: 100%;
        padding: var(--space-2) 0;
        border-bottom: 1px solid var(--color-light-gray);
        font-size: var(--text-lg);
    }

    .nav-links a:not(.nav-cta)::after {
        display: none; /* Remove underline animation on mobile */
    }

    .nav-cta {
        margin-top: 1rem;
        width: 100%;
        text-align: center;
        border-bottom: none;
    }

    /* Overlay when menu is open */
    .nav.menu-open::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.7);
        backdrop-filter: blur(2px);
        z-index: 999;
    }
}

/* Tablet breakpoint adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .nav-links {
        gap: 1.5rem;
    }

    .nav-links a {
        font-size: 0.9rem;
    }
}

/* ============================================
   FOOTER
   Added: 2026-01-19
   ============================================ */

.footer {
    background: var(--color-slate);
    color: var(--color-white);
    padding: 4rem 0 0;
    margin-top: 8rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
}

.footer-logo .logo-main {
    color: var(--color-white);
}

.footer-logo .logo-suffix {
    color: var(--color-accent-secondary);
    font-style: italic;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-secondary);
    margin-bottom: var(--space-2);
    font-weight: var(--weight-semibold);
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: var(--text-sm);
}

.footer-section a:hover {
    color: var(--color-white);
    padding-left: 0.5rem;
}

.footer-bottom {
    background: var(--color-navy);
}

.footer-bottom .footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
}

.footer-location {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
}

/* Archive CTA Responsive */
@media (max-width: 768px) {
    .archive-cta {
        padding: 5rem var(--container-padding);
    }

    .archive-cta-title {
        font-size: var(--text-2xl);
    }

    .archive-cta-description {
        font-size: var(--text-base);
    }

    .archive-cta-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .archive-stat-number {
        font-size: var(--text-2xl);
    }

    .archive-cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .archive-cta-actions .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .archive-cta {
        padding: 4rem var(--container-padding);
    }

    .archive-cta-title {
        font-size: var(--text-xl);
    }

    .archive-stat-number {
        font-size: var(--text-2xl);
    }
}

/* Footer Responsive */
@media (max-width: 768px) {
    .footer {
        margin-top: 4rem;
        padding-top: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom .footer-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}