/* ===================================
   FRANCISCO DESIGNS - PORTFOLIO CSS
   Design System: Calm, Editorial, Senior
   =================================== */

/* ===================================
   RESET & BASE
   =================================== */

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

/* ===================================
   ACCESSIBILITY - Skip Link
   =================================== */

.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--color-text);
    color: var(--color-bg);
    padding: 12px 24px;
    z-index: 10000;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: 4px;
    text-decoration: none;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 16px;
    outline: none;
}

/* ===================================
   ACCESSIBILITY - Focus States
   =================================== */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #f2f0ed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.6;
}

/* ===================================
   DESIGN TOKENS
   =================================== */

:root {
    /* Colors */
    --color-bg: #f2f0ed;
    --color-text: #1a1a1a;
    --color-text-medium: #4a4a4a;
    --color-text-light: #8a8a8a;
    --color-accent: #E31837;

    /* Spacing Scale */
    --space-xs: 16px;
    --space-sm: 24px;
    --space-md: 40px;
    --space-lg: 64px;
    --space-xl: 96px;
    --space-2xl: 128px;

    /* Layout Constraints */
    --text-max-width: 680px;
    --content-max-width: 1440px;
    --bleed-margin: 40px;

    /* Typography */
    --font-size-xs: 13px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 20px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    --font-size-4xl: 64px;

    --line-height-tight: 1.2;
    --line-height-base: 1.6;
    --line-height-relaxed: 1.75;

    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

h1 {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-2xl));
    font-weight: 600;
    letter-spacing: -0.01em;
}

h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-medium);
    margin-bottom: 1.2em;
}

strong {
    font-weight: 600;
    color: var(--color-text);
}

em {
    font-style: italic;
    color: var(--color-text-light);
}

/* ===================================
   LAYOUT UTILITIES - DUAL MARGIN SYSTEM
   =================================== */

/* Text Container: Constrained, readable width */
.container {
    max-width: var(--text-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}

/* Full Bleed: Near edge-to-edge for images */
.bleed {
    max-width: var(--content-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--bleed-margin);
    padding-right: var(--bleed-margin);
}

/* Full Bleed Media: Minimal margins for hero images */
.bleed-full {
    margin-left: var(--space-sm);
    margin-right: var(--space-sm);
}

/* ===================================
   HEADER & NAVIGATION (STICKY)
   =================================== */

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    z-index: 1000;
    padding: var(--space-md) var(--space-md);
    transition: var(--transition-base);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-end; /* Baseline alignment */
}

.logo img {
    height: 72px; /* Bigger logo */
    width: auto;
    transition: var(--transition-base);
}

.logo:hover img {
    opacity: 1;
    transform: translateY(-2px);
}

.main-nav {
    display: flex;
    gap: var(--space-md);
    align-items: baseline;
    padding-bottom: 4px; /* Fine-tune baseline alignment */
}

.nav-link {
    font-size: var(--font-size-xs);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text);
    transition: width var(--transition-base);
}

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

/* ===================================
   HOME PAGE
   =================================== */

.homepage {
    margin-top: 120px; /* Account for fixed header */
}

/* Hero Section */
.hero-section {
    max-width: var(--text-max-width);
    margin: 0 auto var(--space-2xl);
    padding: var(--space-xl) var(--space-md) 0;
    text-align: center;
}

.hero-title {
    font-size: clamp(var(--font-size-3xl), 5vw, 56px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-medium);
    max-width: 640px;
    margin: 0 auto;
}

/* Magnetic Text Animation */
.word-magnetic {
    display: inline-block;
    transform: translate3d(0, 0, 0);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.word-magnetic.active {
    will-change: transform;
    transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.word-space {
    display: inline;
    user-select: none;
}

/* Client Strip */
.client-strip {
    max-width: var(--text-max-width);
    margin: 0 auto var(--space-2xl);
    padding: 0 var(--space-md);
    text-align: center;
}

.client-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: var(--space-sm);
}

.client-names {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-medium);
    font-weight: 500;
}

/* Projects Grid */
.projects-grid {
    padding: 0 var(--space-md);
}

.section-heading {
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.project-section {
    margin-bottom: var(--space-lg);
}

.project-link {
    display: block;
    transition: var(--transition-base);
}

.project-image-wrapper {
    overflow: hidden;
    margin-bottom: var(--space-sm);
    margin-left: 0;
    margin-right: 0;
}

.project-image {
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

.project-link:hover .project-image {
    transform: scale(1.01);
}

.project-info {
    padding: var(--space-sm) 0;
}

.project-caption {
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-medium);
    padding-left: 0;
    margin-bottom: var(--space-xs);
}

.project-description {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-medium);
    margin-bottom: var(--space-xs);
}

.project-meta {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: var(--space-sm);
}

.project-cta {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent);
    display: inline-block;
    transition: transform var(--transition-base);
}

.project-link:hover .project-cta {
    transform: translateX(4px);
}

/* Testimonials Section */
.testimonials-section {
    margin: var(--space-2xl) auto;
    padding: 0 var(--space-md);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    max-width: var(--content-max-width);
    margin: 0 auto;
}

.testimonial-card {
    background-color: rgba(0, 0, 0, 0.02);
    padding: var(--space-lg);
}

.testimonial-quote {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.testimonial-attribution {
    font-size: var(--font-size-sm);
    color: var(--color-text-medium);
    font-weight: 500;
}

/* ===================================
   PROJECT DETAIL PAGE
   =================================== */

.project-detail {
    margin-top: 120px;
}

/* Project Title Styling */
.project-detail h1 {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-3xl));
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: var(--line-height-tight);
    margin: var(--space-xl) 0;
    color: var(--color-text);
}

/* Proof Strip - Compact, Scannable */
.proof-strip {
    background-color: rgba(0, 0, 0, 0.02);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-2xl);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 var(--bleed-margin);
}

.proof-item h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: var(--space-xs);
}

.proof-item p,
.proof-item ul {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);
    color: var(--color-text-medium);
}

.proof-item ul {
    list-style: none;
    padding: 0;
}

.proof-item li {
    padding-left: 1em;
    position: relative;
    margin-bottom: 0.5em;
}

.proof-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.proof-highlight {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

/* Hero Section */
.hero {
    margin-bottom: 0;
}

.hero-image {
    overflow: hidden;
    margin-bottom: 0;
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* Content Sections - Dual Margin Pattern */
.content-section {
    margin-bottom: var(--space-2xl);
}

/* Text Section: Constrained */
.section-text {
    max-width: var(--text-max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-md);
    margin-bottom: var(--space-lg);
}

.section-text h2 {
    margin-bottom: var(--space-md);
}

/* Image Section: Near Full Bleed */
.section-image {
    max-width: var(--content-max-width);
    margin: 0 auto var(--space-lg);
    padding: 0 var(--bleed-margin);
}

.section-image img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

.section-image:hover img {
    transform: scale(1.005);
}

.image-caption {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-style: italic;
    margin-top: var(--space-sm);
    line-height: var(--line-height-base);
}

/* Two-Column Layout (Text + Image) */
.section-split {
    max-width: var(--content-max-width);
    margin: 0 auto var(--space-2xl);
    padding: 0 var(--bleed-margin);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.section-split .split-text {
    max-width: 560px;
}

.section-split .split-image {
    overflow: hidden;
}

.section-split .split-image img {
    width: 100%;
    transition: transform var(--transition-slow);
}

.section-split:hover .split-image img {
    transform: scale(1.005);
}

/* Reverse column order */
.section-split.reverse {
    grid-template-columns: 1fr 1fr;
}

.section-split.reverse .split-text {
    order: 2;
}

.section-split.reverse .split-image {
    order: 1;
}

/* Logo Display: Side-by-Side (Logo Left, Text Right) */
.logo-section {
    max-width: var(--content-max-width);
    margin: 0 auto var(--space-2xl);
    padding: 0 var(--bleed-margin);
    display: grid;
    grid-template-columns: 35% 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.logo-section .logo-image {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.logo-section .logo-image img {
    width: 100%;
    height: auto;
}

.logo-section .logo-text h2 {
    margin-bottom: var(--space-md);
}

/* Metrics Display */
.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.metric-item {
    text-align: left;
}

.metric-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.metric-label {
    font-size: var(--font-size-base);
    color: var(--color-text-medium);
    font-weight: 500;
}

/* ===================================
   PROJECT NAVIGATION
   =================================== */

.project-navigation {
    max-width: var(--text-max-width);
    margin: var(--space-2xl) auto var(--space-xl);
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.project-nav-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.back-to-work {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-medium);
    transition: color var(--transition-base);
}

.back-to-work:hover {
    color: var(--color-text);
    opacity: 1;
}

.project-nav-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    max-width: var(--text-max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.nav-project {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    transition: transform var(--transition-base);
}

.nav-project:hover {
    transform: translateX(-4px);
}

.nav-project.next {
    text-align: right;
    align-items: flex-end;
}

.nav-project.next:hover {
    transform: translateX(4px);
}

.nav-project-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.nav-project-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    line-height: var(--line-height-base);
}

.nav-project:hover .nav-project-title {
    color: var(--color-accent);
}

/* ===================================
   FOOTER
   =================================== */

.main-footer {
    background-color: var(--color-bg);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: var(--space-2xl);
    padding: var(--space-xl) var(--space-md) var(--space-lg);
}

.footer-content {
    max-width: var(--content-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

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

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.footer-text {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-medium);
    margin-bottom: var(--space-xs);
}

.footer-email {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: opacity var(--transition-base);
}

.footer-email:hover {
    opacity: 0.6;
}

.footer-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-nav-link {
    font-size: var(--font-size-sm);
    color: var(--color-text-medium);
    text-decoration: none;
    transition: color var(--transition-base);
    width: fit-content;
}

.footer-nav-link:hover {
    color: var(--color-text);
    opacity: 1;
}

.footer-bottom {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    text-align: center;
}

.footer-copyright {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    letter-spacing: 0.05em;
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--color-text-medium);
    transition: color var(--transition-base);
}

.social-icon:hover {
    color: var(--color-text);
    opacity: 1;
}

.social-icon svg {
    width: 24px;
    height: 24px;
    display: block;
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact-section {
    max-width: var(--text-max-width);
    margin: var(--space-2xl) auto;
    padding: var(--space-lg) var(--space-md);
    text-align: center;
}

.contact-section h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-sm);
}

.contact-section .section-text {
    color: var(--color-text-medium);
    margin-bottom: var(--space-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.contact-email {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: opacity var(--transition-base);
}

.contact-email:hover {
    opacity: 0.6;
}

.contact-social {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
}

/* ===================================
   CONTACT FORM
   =================================== */

.contact-page {
    max-width: var(--text-max-width);
    margin: 0 auto;
    padding: var(--space-md);
}

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

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

.form-label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.02em;
}

.form-input,
.form-textarea,
select.form-input {
    width: 100%;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-base);
    font-family: inherit;
    color: var(--color-text);
    background-color: #fff;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
select.form-input:focus {
    outline: none;
    border-color: var(--color-text);
    box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.05);
}

.form-input.error,
.form-textarea.error {
    border-color: var(--color-accent);
}

.form-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-accent);
    margin-top: var(--space-xs);
    min-height: 16px;
}

.form-status {
    margin-top: var(--space-md);
    padding: var(--space-sm);
    border-radius: 4px;
    font-size: var(--font-size-sm);
    text-align: center;
}

.form-status.success {
    background-color: rgba(76, 175, 80, 0.1);
    color: #2e7d32;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.form-status.error {
    background-color: rgba(227, 24, 55, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(227, 24, 55, 0.3);
}

.form-textarea {
    resize: vertical;
    min-height: 160px;
    line-height: var(--line-height-relaxed);
}

.form-button {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: inherit;
    color: var(--color-bg);
    background-color: var(--color-text);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity var(--transition-base), transform var(--transition-base);
    letter-spacing: 0.02em;
}

.form-button:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.form-button:active {
    transform: translateY(0);
}

.contact-alternate {
    margin-top: var(--space-xl);
    text-align: center;
}

.contact-alternate p {
    color: var(--color-text-medium);
    font-size: var(--font-size-sm);
}

.contact-alternate a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: opacity var(--transition-base);
}

.contact-alternate a:hover {
    opacity: 0.6;
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 1024px) {
    :root {
        --bleed-margin: 24px;
        --space-xl: 64px;
        --space-2xl: 96px;
    }

    .section-split {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .section-split.reverse .split-text {
        order: 1;
    }

    .section-split.reverse .split-image {
        order: 2;
    }

    .logo-section {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .logo-section .logo-image {
        justify-content: center;
    }

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

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

    .footer-about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    :root {
        --bleed-margin: 16px;
        --space-md: 24px;
        --space-lg: 40px;
        --space-xl: 56px;
        --space-2xl: 72px;
    }

    .main-header {
        padding: var(--space-sm) var(--space-md);
    }

    .logo img {
        height: 56px;
    }

    .main-nav {
        gap: var(--space-sm);
    }

    .homepage,
    .project-detail {
        margin-top: 96px;
    }

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

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

    .footer-about {
        grid-column: auto;
    }

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

    .nav-project.next {
        text-align: left;
        align-items: flex-start;
    }
}

@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;
    }
}