/* ============================================================
   OneBarangay Marketing Site — Professional Minimal Theme
   Palette: Slate #0f172a, Accent #2563eb, Neutral grays
   ============================================================ */

:root {
    --ob-primary: #1e293b;
    --ob-primary-dark: #0f172a;
    --ob-accent: #2563eb;
    --ob-accent-dark: #1d4ed8;
    --ob-accent-light: #eff6ff;
    --ob-gray-50: #f8fafc;
    --ob-gray-100: #f1f5f9;
    --ob-gray-200: #e2e8f0;
    --ob-gray-300: #cbd5e1;
    --ob-gray-400: #94a3b8;
    --ob-gray-500: #64748b;
    --ob-gray-600: #475569;
    --ob-gray-700: #334155;
    --ob-gray-800: #1e293b;
    --ob-gray-900: #0f172a;
    --ob-white: #ffffff;
    --ob-green: #16a34a;
    --ob-green-light: #f0fdf4;
    --ob-radius: 6px;
    --ob-radius-lg: 12px;
    --ob-shadow: 0 1px 2px rgba(0,0,0,0.05);
    --ob-shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.03);
    --ob-shadow-lg: 0 8px 16px rgba(0,0,0,0.06);
    --ob-transition: all 0.15s ease;
    --ob-max-width: 1120px;
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--ob-gray-800);
    line-height: 1.6;
    background: var(--ob-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}
img { max-width: 100%; height: auto; }
a { color: var(--ob-accent); text-decoration: none; transition: var(--ob-transition); }
a:hover { color: var(--ob-accent-dark); }

/* Container */
.container { max-width: var(--ob-max-width); margin: 0 auto; padding: 0 24px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ob-gray-200);
}
.navbar .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.navbar-logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.15rem; font-weight: 700; color: var(--ob-primary);
    text-decoration: none; letter-spacing: -0.02em;
}
.navbar-logo .logo-icon {
    width: 32px; height: 32px; background: var(--ob-primary);
    border-radius: 6px; display: flex; align-items: center; justify-content: center;
    color: var(--ob-white); font-weight: 700; font-size: 0.8rem;
}
.navbar-links {
    display: flex; align-items: center; gap: 32px; list-style: none; margin: 0; padding: 0;
}
.navbar-links a {
    color: var(--ob-gray-500); font-size: 0.875rem; font-weight: 500;
    text-decoration: none; transition: var(--ob-transition);
}
.navbar-links a:hover, .navbar-links a.active { color: var(--ob-primary); }
.navbar-cta .btn-primary { padding: 8px 20px; font-size: 0.875rem; }
.navbar-toggle {
    display: none; background: none; border: none; cursor: pointer;
    width: 40px; height: 40px; position: relative;
}
.navbar-toggle span {
    display: block; width: 20px; height: 1.5px; background: var(--ob-gray-700);
    position: absolute; left: 10px; transition: var(--ob-transition);
}
.navbar-toggle span:nth-child(1) { top: 13px; }
.navbar-toggle span:nth-child(2) { top: 19px; }
.navbar-toggle span:nth-child(3) { top: 25px; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 24px; border-radius: var(--ob-radius); font-size: 0.875rem;
    font-weight: 600; cursor: pointer; transition: var(--ob-transition);
    border: 1px solid transparent; text-decoration: none; line-height: 1.5;
    letter-spacing: -0.01em;
}
.btn-primary {
    background: var(--ob-primary); color: var(--ob-white); border-color: var(--ob-primary);
}
.btn-primary:hover {
    background: var(--ob-primary-dark); border-color: var(--ob-primary-dark); color: var(--ob-white);
}
.btn-secondary {
    background: transparent; color: var(--ob-primary); border-color: var(--ob-gray-300);
}
.btn-secondary:hover {
    background: var(--ob-gray-50); border-color: var(--ob-gray-400);
    color: var(--ob-primary);
}
.btn-accent {
    background: var(--ob-accent); color: var(--ob-white); border-color: var(--ob-accent);
}
.btn-accent:hover {
    background: var(--ob-accent-dark); border-color: var(--ob-accent-dark);
    color: var(--ob-white);
}
.btn-white {
    background: var(--ob-white); color: var(--ob-primary); border-color: rgba(255,255,255,0.3);
}
.btn-white:hover {
    background: var(--ob-gray-100); color: var(--ob-primary);
}
.btn-lg { padding: 12px 28px; font-size: 0.9375rem; }
.btn-sm { padding: 6px 16px; font-size: 0.8125rem; }

/* Keep btn-gold as alias for accent for backward-compat */
.btn-gold {
    background: var(--ob-accent); color: var(--ob-white); border-color: var(--ob-accent);
}
.btn-gold:hover {
    background: var(--ob-accent-dark); border-color: var(--ob-accent-dark);
    color: var(--ob-white);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    padding: 140px 0 80px;
    background: var(--ob-primary-dark);
    color: var(--ob-white); position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: 0; right: 0; bottom: 0; left: 0;
    background: radial-gradient(ellipse at 70% 20%, rgba(37,99,235,0.12) 0%, transparent 60%);
}
.hero::after { display: none; }
.hero .container {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
    position: relative; z-index: 1;
}
.hero h1 {
    font-size: 2.75rem; line-height: 1.15; font-weight: 700; margin: 0 0 20px;
    letter-spacing: -0.03em;
}
.hero h1 .highlight { color: var(--ob-accent); opacity: 1; }
.hero .subtitle {
    font-size: 1.0625rem; line-height: 1.7; opacity: 0.7; margin-bottom: 36px;
    max-width: 520px; font-weight: 400;
}
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual {
    display: flex; justify-content: center; align-items: center;
}
.hero-mockup {
    background: rgba(255,255,255,0.05); border-radius: var(--ob-radius-lg);
    border: 1px solid rgba(255,255,255,0.08); padding: 24px;
    width: 100%; max-width: 460px;
}
.mockup-header {
    display: flex; gap: 6px; margin-bottom: 16px;
}
.mockup-dot {
    width: 8px; height: 8px; border-radius: 50%;
}
.mockup-dot.red { background: #f87171; }
.mockup-dot.yellow { background: #fbbf24; }
.mockup-dot.green { background: #34d399; }
.mockup-bar {
    height: 10px; border-radius: 5px; margin-bottom: 8px;
}
.mockup-bar.w-full { width: 100%; background: rgba(255,255,255,0.08); }
.mockup-bar.w-75 { width: 75%; background: rgba(37,99,235,0.2); }
.mockup-bar.w-60 { width: 60%; background: rgba(255,255,255,0.06); }
.mockup-bar.w-50 { width: 50%; background: rgba(37,99,235,0.15); }
.mockup-bar.w-40 { width: 40%; background: rgba(255,255,255,0.05); }
.mockup-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px;
}
.mockup-card {
    background: rgba(255,255,255,0.04); border-radius: 8px; padding: 14px;
    border: 1px solid rgba(255,255,255,0.06);
}
.mockup-card .icon-circle {
    width: 28px; height: 28px; border-radius: 6px; margin-bottom: 8px;
    display: flex; align-items: center; justify-content: center; font-size: 0.8rem;
}
.mockup-card .label { font-size: 0.7rem; opacity: 0.5; font-weight: 500; }
.mockup-card .value { font-size: 1rem; font-weight: 700; }

/* ============================================================
   SECTIONS — shared
   ============================================================ */
section { padding: 80px 0; }
section.bg-light { background: var(--ob-gray-50); }
section.bg-blue { background: var(--ob-primary-dark); color: var(--ob-white); }
section.bg-blue h2, section.bg-blue p { color: var(--ob-white); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
    font-size: 2rem; font-weight: 700; color: var(--ob-gray-900);
    margin: 0 0 12px; letter-spacing: -0.025em;
}
.section-header p {
    font-size: 1rem; color: var(--ob-gray-500); max-width: 560px; margin: 0 auto;
}
.section-badge {
    display: inline-block; background: var(--ob-accent-light); color: var(--ob-accent);
    padding: 4px 12px; border-radius: 4px; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px;
}

/* ============================================================
   PAIN POINTS
   ============================================================ */
.pain-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.pain-card {
    background: var(--ob-white); border-radius: var(--ob-radius-lg);
    padding: 28px 20px; box-shadow: var(--ob-shadow);
    border: 1px solid var(--ob-gray-200); transition: var(--ob-transition);
    text-align: center;
}
.pain-card:hover {
    box-shadow: var(--ob-shadow-md);
    border-color: var(--ob-gray-300);
}
.pain-icon {
    width: 48px; height: 48px; border-radius: 10px;
    background: var(--ob-gray-100); color: var(--ob-gray-600);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 14px; font-size: 1.25rem;
}
.pain-card h3 { font-size: 0.9375rem; font-weight: 600; margin: 0 0 6px; color: var(--ob-gray-800); }
.pain-card p { font-size: 0.8125rem; color: var(--ob-gray-500); margin: 0; line-height: 1.55; }

/* ============================================================
   FEATURE CARDS
   ============================================================ */
.features-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.feature-card {
    background: var(--ob-white); border-radius: var(--ob-radius-lg);
    padding: 28px; box-shadow: var(--ob-shadow); border: 1px solid var(--ob-gray-200);
    transition: var(--ob-transition); position: relative;
}
.feature-card::before { display: none; }
.feature-card:hover { box-shadow: var(--ob-shadow-md); border-color: var(--ob-gray-300); }
.feature-icon {
    width: 40px; height: 40px; border-radius: 8px;
    background: var(--ob-accent-light); color: var(--ob-accent);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px; font-size: 1.1rem;
}
.feature-card h3 { font-size: 0.9375rem; font-weight: 600; margin: 0 0 6px; }
.feature-card p { font-size: 0.8125rem; color: var(--ob-gray-500); margin: 0; line-height: 1.55; }
.feature-card .learn-more {
    display: inline-flex; align-items: center; gap: 4px;
    margin-top: 14px; font-size: 0.8125rem; font-weight: 600; color: var(--ob-accent);
}
.feature-card .learn-more:hover { gap: 6px; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps-row {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;
    position: relative;
}
.steps-row::before {
    content: ''; position: absolute; top: 36px; left: 15%; right: 15%;
    height: 1px; background: var(--ob-gray-200);
}
.step { text-align: center; position: relative; z-index: 1; }
.step-number {
    width: 72px; height: 72px; border-radius: 50%;
    background: var(--ob-primary); color: var(--ob-white);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; font-weight: 700; margin: 0 auto 16px;
}
.step h3 { font-size: 1rem; font-weight: 600; margin: 0 0 6px; }
.step p { font-size: 0.8125rem; color: var(--ob-gray-500); margin: 0; max-width: 260px; margin-inline: auto; }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
    padding: 48px 0;
}
.stat { text-align: center; }
.stat .number {
    font-size: 2.25rem; font-weight: 700; color: var(--ob-white);
    line-height: 1.1; letter-spacing: -0.02em;
}
.stat .label { font-size: 0.875rem; opacity: 0.6; margin-top: 4px; font-weight: 400; }

/* ============================================================
   COMPARISON TABLE
   ============================================================ */
.comparison-wrapper {
    overflow-x: auto; border-radius: var(--ob-radius-lg);
    box-shadow: var(--ob-shadow-md); border: 1px solid var(--ob-gray-200);
}
.comparison-table {
    width: 100%; border-collapse: collapse; font-size: 0.875rem;
}
.comparison-table thead th {
    padding: 14px 18px; text-align: left; font-weight: 600;
    border-bottom: 1px solid var(--ob-gray-200); font-size: 0.8125rem;
}
.comparison-table thead th:first-child { background: var(--ob-gray-50); }
.comparison-table thead th:nth-child(2) {
    background: var(--ob-primary); color: var(--ob-white);
}
.comparison-table thead th:nth-child(3) { background: var(--ob-gray-100); }
.comparison-table tbody td {
    padding: 12px 18px; border-bottom: 1px solid var(--ob-gray-100);
}
.comparison-table tbody td:first-child { font-weight: 500; background: var(--ob-gray-50); }
.comparison-table tbody td:nth-child(2) { background: rgba(37,99,235,0.02); }
.comparison-table .check { color: var(--ob-green); font-weight: 600; }
.comparison-table .cross { color: var(--ob-gray-300); }
.comparison-table .partial { color: var(--ob-gray-500); font-weight: 500; }
.comparison-table .improvement {
    display: inline-block; background: var(--ob-green-light); color: var(--ob-green);
    padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 600;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
    padding: 72px 0; text-align: center;
    background: var(--ob-primary-dark);
    color: var(--ob-white);
}
.cta-banner h2 { font-size: 1.75rem; font-weight: 700; margin: 0 0 10px; letter-spacing: -0.025em; }
.cta-banner p { font-size: 1rem; opacity: 0.65; margin: 0 0 32px; font-weight: 400; }
.cta-banner .cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--ob-gray-900); color: var(--ob-gray-400); padding: 56px 0 0;
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
    padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand-name {
    font-size: 1.125rem; font-weight: 700; color: var(--ob-white); margin-bottom: 10px;
    letter-spacing: -0.02em;
}
.footer-brand p { font-size: 0.8125rem; line-height: 1.6; max-width: 280px; }
.footer-col h4 {
    color: var(--ob-gray-400); font-size: 0.75rem; text-transform: uppercase;
    letter-spacing: 0.06em; margin: 0 0 14px; font-weight: 600;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--ob-gray-400); font-size: 0.8125rem; }
.footer-col a:hover { color: var(--ob-white); }
.footer-bottom {
    padding: 20px 0; display: flex; justify-content: space-between;
    align-items: center; font-size: 0.8125rem; color: var(--ob-gray-500);
}

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-header {
    padding: 120px 0 56px;
    background: var(--ob-primary-dark);
    color: var(--ob-white); text-align: center;
}
.page-header h1 {
    font-size: 2.25rem; font-weight: 700; margin: 0 0 10px;
    letter-spacing: -0.03em;
}
.page-header p { font-size: 1rem; opacity: 0.6; margin: 0; max-width: 500px; margin-inline: auto; font-weight: 400; }

/* ============================================================
   FEATURE DETAIL SECTIONS (Features page)
   ============================================================ */
.feature-detail {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
    padding: 60px 0;
}
.feature-detail.reverse { direction: rtl; }
.feature-detail.reverse > * { direction: ltr; }
.feature-detail h3 {
    font-size: 1.375rem; font-weight: 700; margin: 0 0 10px;
    letter-spacing: -0.02em;
}
.feature-detail .badge-sm {
    display: inline-block; background: var(--ob-accent-light); color: var(--ob-accent);
    padding: 3px 10px; border-radius: 4px; font-size: 0.6875rem; font-weight: 600;
    margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em;
}
.feature-detail p { color: var(--ob-gray-600); font-size: 0.9375rem; line-height: 1.7; }
.feature-detail ul {
    list-style: none; padding: 0; margin: 14px 0 0;
}
.feature-detail li {
    padding: 6px 0; padding-left: 24px; position: relative;
    font-size: 0.875rem; color: var(--ob-gray-600);
}
.feature-detail li::before {
    content: '✓'; position: absolute; left: 0; color: var(--ob-green); font-weight: 600;
}
.feature-visual {
    background: var(--ob-gray-50); border-radius: var(--ob-radius-lg);
    padding: 40px; display: flex; align-items: center; justify-content: center;
    min-height: 260px; border: 1px solid var(--ob-gray-200);
}
.feature-visual-icon {
    font-size: 3.5rem; opacity: 0.35;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.pricing-card {
    background: var(--ob-white); border-radius: var(--ob-radius-lg);
    padding: 36px 28px; border: 1px solid var(--ob-gray-200);
    transition: var(--ob-transition); text-align: center;
}
.pricing-card.featured {
    border-color: var(--ob-accent); position: relative;
    box-shadow: var(--ob-shadow-lg);
}
.pricing-card.featured::before {
    content: 'Most Popular'; position: absolute; top: -12px; left: 50%;
    transform: translateX(-50%); background: var(--ob-accent); color: var(--ob-white);
    padding: 3px 16px; border-radius: 4px; font-size: 0.75rem; font-weight: 600;
}
.pricing-card h3 { font-size: 1.125rem; font-weight: 600; margin: 0 0 6px; }
.pricing-card .price {
    font-size: 1.5rem; font-weight: 700; color: var(--ob-primary); margin: 14px 0;
    letter-spacing: -0.02em;
}
.pricing-card .price span { font-size: 0.8125rem; font-weight: 400; color: var(--ob-gray-500); }
.pricing-card ul {
    list-style: none; padding: 0; margin: 20px 0; text-align: left;
}
.pricing-card li {
    padding: 6px 0; padding-left: 22px; position: relative;
    font-size: 0.8125rem; color: var(--ob-gray-600);
}
.pricing-card li::before {
    content: '✓'; position: absolute; left: 0; color: var(--ob-green); font-weight: 600;
}
.pricing-card .btn { width: 100%; justify-content: center; }

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
}
.contact-info h3 { font-size: 1.125rem; font-weight: 600; margin: 0 0 12px; }
.contact-info p { color: var(--ob-gray-600); line-height: 1.7; font-size: 0.9375rem; }
.contact-info-item {
    display: flex; gap: 12px; padding: 14px 0;
    border-bottom: 1px solid var(--ob-gray-100);
}
.contact-info-icon {
    width: 36px; height: 36px; border-radius: 8px;
    background: var(--ob-gray-100); color: var(--ob-gray-600);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-form-card {
    background: var(--ob-white); border-radius: var(--ob-radius-lg);
    padding: 36px; box-shadow: var(--ob-shadow-md); border: 1px solid var(--ob-gray-200);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-section { margin-bottom: 36px; }
.faq-section h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 14px; color: var(--ob-gray-900); }

/* ============================================================
   LEGAL / TEXT PAGES
   ============================================================ */
.legal-content { max-width: 720px; margin: 0 auto; }
.legal-content h2 {
    font-size: 1.25rem; font-weight: 600; margin: 28px 0 10px; color: var(--ob-gray-900);
    letter-spacing: -0.01em;
}
.legal-content h3 { font-size: 1rem; font-weight: 600; margin: 20px 0 8px; }
.legal-content p { color: var(--ob-gray-600); line-height: 1.7; margin-bottom: 12px; font-size: 0.9375rem; }
.legal-content ul { color: var(--ob-gray-600); line-height: 1.7; padding-left: 20px; font-size: 0.9375rem; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.value-card {
    background: var(--ob-white); padding: 24px; border-radius: var(--ob-radius);
    border: 1px solid var(--ob-gray-200); text-align: center;
}
.value-card .value-icon {
    width: 40px; height: 40px; border-radius: 8px;
    background: var(--ob-gray-100); color: var(--ob-gray-600);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 10px; font-size: 1.1rem;
}
.value-card h3 { font-size: 0.875rem; font-weight: 600; margin: 0 0 6px; }
.value-card p { font-size: 0.8125rem; color: var(--ob-gray-500); margin: 0; }
.tech-stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.tech-item {
    background: var(--ob-white); padding: 16px; border-radius: var(--ob-radius);
    border: 1px solid var(--ob-gray-200); text-align: center;
    font-size: 0.8125rem; font-weight: 600; color: var(--ob-gray-700);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero .subtitle { margin-inline: auto; }
    .hero-buttons { justify-content: center; }
    .hero-visual { display: none; }
    .pain-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .feature-detail { grid-template-columns: 1fr; }
    .feature-detail.reverse { direction: ltr; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-inline: auto; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .section-header h2 { font-size: 1.5rem; }
    .pain-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .steps-row { grid-template-columns: 1fr; }
    .steps-row::before { display: none; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .navbar-links { display: none; }
    .navbar-cta { display: none; }
    .navbar-toggle { display: block; }
    .footer-grid { grid-template-columns: 1fr; }
    .about-values-grid { grid-template-columns: 1fr; }
    .tech-stack-grid { grid-template-columns: repeat(2, 1fr); }
    section { padding: 60px 0; }
    .page-header { padding: 100px 0 40px; }
    .page-header h1 { font-size: 1.75rem; }
}