/* Design System inspired by ople.agency */
:root {
    --bg-color: #F5F4F0;
    --text-primary: #0D0D0D;
    --text-secondary: rgba(13, 13, 13, 0.55);
    --text-muted: rgba(13, 13, 13, 0.35);
    
    /* Brand Accent */
    --terracotta: #C2593F;
    --terracotta-hover: #A84931;
    --terracotta-light: rgba(194, 89, 63, 0.08);
    
    /* Layout Borders */
    --border-color: rgba(13, 13, 13, 0.1);
    --border-color-hover: rgba(13, 13, 13, 0.25);
    
    /* Card Backgrounds */
    --card-bg: transparent;
    --cream-accent: #ECEAE4;
    
    /* Fonts */
    --font-serif: 'Fraunces', serif;
    --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Geist Mono', monospace;
    
    --terminal-bg: #111319;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
    padding-bottom: 0;
    -webkit-font-smoothing: antialiased;
}

/* Subtle noise filter overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.035;
    mix-blend-mode: multiply;
}

/* Vertical grid lines (architectural structure) */
.grid-line-v {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: rgba(13, 13, 13, 0.04);
    z-index: -1;
    pointer-events: none;
}

.grid-line-v-1 { left: 5%; }
.grid-line-v-2 { left: 25%; }
.grid-line-v-3 { left: 95%; }

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography Utilities */
.font-fraunces {
    font-family: var(--font-serif);
}

.font-mono {
    font-family: var(--font-mono);
}

.italic {
    font-style: italic;
}

strong {
    color: #000000;
    font-weight: 600;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.hover-underline {
    position: relative;
}

.hover-underline::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 1px;
    background-color: var(--text-primary);
    transform: scale-x(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.32, 0.72, 0, 1);
}

.hover-underline:hover::after {
    transform: scale-x(1);
}

/* Page Section structure */
.section {
    display: grid;
    grid-template-columns: 20% 1fr;
    gap: 40px;
    border-top: 1px solid var(--border-color);
    padding: 80px 0;
}

.section-tag-area {
    padding-top: 8px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
}

.text-terracotta {
    color: var(--terracotta);
}

.section-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 40px;
}

.section-grid-full {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.section-heading-area {
    padding-right: 20px;
}

.section-main-title {
    font-size: clamp(24px, 4vw, 42px);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.section-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-body-area {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Header */
.header {
    padding: 120px 0 80px 0;
}

.header-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 80px;
    align-items: flex-start;
}

.header-pre {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.text-tag {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.20em;
    color: var(--text-muted);
}

.pre-line {
    width: 40px;
    height: 1px;
    background-color: var(--border-color);
}

.name {
    font-size: clamp(36px, 7vw, 76px);
    font-weight: 500;
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.dot-terracotta::after {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--terracotta);
    border-radius: 50%;
    margin-left: 6px;
}

.tagline {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-weight: 300;
}

.badge-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.badge {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 400;
    transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.badge:hover {
    border-color: var(--text-primary);
}

.header-contacts {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 13px;
    padding: 12px 18px;
    border: 1px solid var(--border-color);
    background: transparent;
    transition: all 0.5s cubic-bezier(0.32, 0.72, 0, 1);
}

.contact-link:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
    transform: translateY(-1px);
}

.contact-link svg {
    color: var(--text-secondary);
    transition: color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.contact-link:hover svg {
    color: var(--terracotta);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all 0.5s cubic-bezier(0.32, 0.72, 0, 1);
    border: none;
    outline: none;
}

.btn-solid {
    background-color: var(--text-primary);
    color: var(--bg-color);
    border: 1px solid var(--text-primary);
}

.btn-solid:hover {
    background-color: transparent;
    color: var(--text-primary);
    transform: scale(0.98);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--text-primary);
    transform: scale(0.98);
}

.btn-text {
    background-color: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 8px 12px;
}

.btn-text:hover {
    color: var(--text-primary);
}

/* About Section */
.about-flex {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.about-text-content {
    flex: 1;
}

.about-photo-wrapper {
    width: 240px;
    flex-shrink: 0;
}

.photo-container {
    border: 1px solid var(--border-color);
    padding: 16px;
    background-color: transparent;
    transition: background-color 0.5s ease, border-color 0.5s ease;
}

.photo-container:hover {
    background-color: rgba(13, 13, 13, 0.015);
    border-color: var(--text-primary);
}

.profile-photo {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(100%);
    transition: filter 0.7s cubic-bezier(0.32, 0.72, 0, 1);
}

.photo-container:hover .profile-photo {
    filter: grayscale(0);
}

.about-text {
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 300;
}
.about-text:last-child {
    margin-bottom: 0;
}

/* Skills Matrix */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.skill-category-title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.skill-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 300;
}

.skill-list li::before {
    content: "/";
    color: var(--terracotta);
    position: absolute;
    left: 0;
    font-family: var(--font-mono);
    font-size: 12px;
}

/* Projects Editorial List (Accordion) */
.cases-intro {
    margin-bottom: 40px;
}

.projects-list {
    border-top: 1px solid var(--border-color);
}

.project-card {
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 10px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.5s ease;
}

.project-header:hover {
    background-color: rgba(13, 13, 13, 0.015);
}

.project-title-area {
    display: flex;
    align-items: baseline;
    gap: 24px;
}

.project-num {
    font-size: 13px;
    color: var(--text-muted);
}

.project-name {
    font-size: clamp(20px, 3vw, 36px);
    font-weight: 400;
    letter-spacing: -0.01em;
    transition: all 0.5s cubic-bezier(0.32, 0.72, 0, 1);
}

/* Ople agency text hover effect */
.project-card:hover .project-name {
    font-style: italic;
    color: var(--terracotta);
    padding-left: 8px;
}

.project-right-area {
    display: flex;
    align-items: center;
    gap: 24px;
}

.project-badge {
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
}

.arrow-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.5s cubic-bezier(0.32, 0.72, 0, 1);
}

.project-card:hover .arrow-circle {
    background-color: var(--text-primary);
    color: var(--bg-color);
    border-color: var(--text-primary);
}

.project-card:hover .arrow-circle svg {
    transform: translate(1px, -1px);
}

.arrow-circle svg {
    transition: transform 0.5s cubic-bezier(0.32, 0.72, 0, 1);
}

/* Accordion expand/collapse */
.project-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.32, 0.72, 0, 1), padding 0.6s ease;
    padding: 0 10px 0 54px;
}

.project-card.active .project-content {
    max-height: 1000px;
    padding: 8px 10px 48px 54px;
}

.project-card.active .arrow-circle {
    background-color: var(--text-primary);
    color: var(--bg-color);
    border-color: var(--text-primary);
}

.project-card.active .arrow-circle svg {
    transform: rotate(45deg);
}

.project-content p {
    font-size: 16px;
    font-weight: 300;
    color: var(--text-primary);
    max-width: 800px;
    margin-bottom: 24px;
    line-height: 1.6;
}

.project-content h4 {
    margin-bottom: 12px;
}

.project-content ul {
    list-style: none;
    margin-bottom: 28px;
}

.project-content ul li {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    position: relative;
    padding-left: 18px;
    font-weight: 300;
}

.project-content ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--terracotta);
}

.metric-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.metric-tag {
    padding: 8px 18px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-primary);
}

.project-card:hover .metric-tag {
    border-color: var(--border-color-hover);
}

/* Terminal Simulator (Minimal Dark Accent) */
.terminal-container {
    background-color: var(--terminal-bg);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.terminal-header {
    background-color: #1A1C24;
    padding: 10px 18px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-buttons {
    display: flex;
    gap: 6px;
}

.terminal-btn {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.terminal-btn.close { background-color: rgba(255, 255, 255, 0.1); }
.terminal-btn.minimize { background-color: rgba(255, 255, 255, 0.1); }
.terminal-btn.maximize { background-color: rgba(255, 255, 255, 0.1); }

.terminal-title {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.35);
    flex-grow: 1;
    text-align: center;
    margin-right: 40px;
    letter-spacing: 0.05em;
}

.terminal-body {
    padding: 20px;
    font-size: 13px;
    color: #A3A6B1;
    min-height: 240px;
    max-height: 350px;
    overflow-y: auto;
    background-color: #0E1015;
    line-height: 1.7;
}

.terminal-line {
    margin-bottom: 8px;
    white-space: pre-wrap;
}

.terminal-line.text-success {
    color: #4ADE80;
}

.terminal-line.text-info {
    color: #60A5FA;
}

.terminal-line.text-warning {
    color: #FBBF24;
}

.prompt {
    color: var(--terracotta);
    font-weight: bold;
    margin-right: 8px;
}

.terminal-controls {
    padding: 12px 18px;
    background-color: #12141C;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-controls .btn {
    font-size: 11px;
    padding: 8px 14px;
}

/* ROI Calculator Section */
.roi-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input[type="number"] {
    width: 100%;
    padding: 14px 18px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 16px;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.form-group input[type="number"]:focus {
    border-color: var(--text-primary);
}

/* Styled Range Input */
.form-group input[type="range"] {
    width: 100%;
    height: 3px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    margin: 18px 0;
}

.form-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--terracotta);
    cursor: pointer;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.form-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.3);
}

.range-value {
    font-size: 24px;
    font-weight: 500;
    color: var(--terracotta);
    margin-top: 8px;
}

.roi-results {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.roi-result-card {
    border: 1px solid var(--border-color);
    padding: 24px;
    background-color: transparent;
    transition: border-color 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.roi-result-card:hover {
    border-color: var(--text-primary);
}

.roi-result-card.bg-cream {
    background-color: var(--cream-accent);
    border: none;
}

.roi-result-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.roi-result-value {
    font-size: 32px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.1;
}

.roi-result-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* Philosophy */
.philosophy-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.quote {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--text-primary);
    border-left: 3px solid var(--terracotta);
    padding-left: 24px;
    letter-spacing: -0.01em;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 80px 0;
    margin-top: 80px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-title {
    font-size: 20px;
    font-weight: 500;
    color: var(--text-primary);
}

.footer-copy {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 13px;
    letter-spacing: 0.05em;
}

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

/* Print Styles */
@media print {
    body {
        background-color: #ffffff;
        color: #000000;
        font-size: 11px;
    }
    
    .noise-overlay,
    .grid-line-v,
    .btn,
    .print-btn,
    .badge-container,
    .project-badge,
    .arrow-circle,
    #terminal-demo,
    #roi-calculator,
    .footer {
        display: none !important;
    }

    .container {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    .header {
        padding: 20px 0;
        border-bottom: 1.5px solid #000000;
        margin-bottom: 20px;
    }

    .header-container {
        display: flex;
        justify-content: space-between;
        gap: 0;
    }

    .name {
        font-size: 24px;
        color: #000000;
    }

    .tagline {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .header-contacts {
        align-items: flex-end;
    }

    .contact-link {
        border: none !important;
        padding: 2px 0 !important;
        font-size: 11px;
        color: #000000 !important;
    }

    .section {
        display: block;
        padding: 20px 0;
        border-top: 1px solid #000000;
    }

    .section-tag-area {
        margin-bottom: 10px;
    }

    .section-grid {
        display: block;
    }

    .section-main-title {
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 10px;
    }

    .skills-grid {
        gap: 20px;
    }

    .skill-category-title {
        font-size: 12px;
        margin-bottom: 8px;
    }

    .skill-list li {
        font-size: 10px;
        margin-bottom: 4px;
    }

    .projects-list {
        border: none;
    }

    .project-card {
        border-bottom: 1px dashed #cccccc;
        padding-bottom: 15px;
        margin-bottom: 15px;
    }

    .project-header {
        padding: 0 0 8px 0;
    }

    .project-name {
        font-size: 13px;
        font-weight: 600;
    }

    .project-content {
        max-height: none !important;
        padding: 4px 0 0 0 !important;
        display: block !important;
    }

    .project-content p {
        font-size: 10px;
        margin-bottom: 8px;
    }

    .project-content ul {
        margin-bottom: 8px;
    }

    .project-content ul li {
        font-size: 9px;
    }

    .metric-tags {
        display: flex;
        gap: 6px;
    }

    .metric-tag {
        padding: 2px 6px;
        font-size: 9px;
        border: 1px solid #000000;
    }

    .quote {
        font-size: 14px;
        border-left: 2px solid #000000;
        padding-left: 12px;
    }
    
    .profile-photo {
        filter: none !important;
        -webkit-filter: none !important;
    }
    
    .photo-container {
        border: none !important;
        padding: 0 !important;
    }
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .header-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .section {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 60px 0;
    }
    
    .section-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .roi-container {
        grid-template-columns: 1fr;
    }
    
    .grid-line-v {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .header {
        padding: 80px 0 40px 0;
    }
    
    .about-flex {
        flex-direction: column-reverse;
        gap: 30px;
        align-items: center;
    }
    
    .about-photo-wrapper {
        width: 100%;
        max-width: 280px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .project-header {
        align-items: flex-start;
    }
    
    .project-right-area {
        flex-direction: column;
        align-items: flex-end;
        gap: 12px;
    }
    
    .project-content {
        padding-left: 24px;
    }
    
    .project-card.active .project-content {
        padding: 8px 10px 32px 24px;
    }
}