/* Top Shelf Digital Media — Vanilla CSS
   All brand values are driven by CSS custom properties injected by header.php.
   No hex codes or font names are hardcoded in this file.
   ─────────────────────────────────────────────────────────────── */

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    color: var(--color-primary);
    background: #ffffff;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-secondary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-accent); }

/* ── Typography ───────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.lead {
    font-size: 1.2rem;
    line-height: 1.7;
    color: #4a5568;
}

/* ── Layout Utilities ─────────────────────────────────────────── */
.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container--narrow {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.section--dark {
    background: var(--color-primary);
    color: #ffffff;
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: #ffffff;
}

.section--dark p,
.section--dark .lead {
    color: rgba(255,255,255,0.82);
}

.section--muted {
    background: var(--color-neutral);
}

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.section-header {
    margin-bottom: 3.5rem;
}

.section-header p {
    margin-top: 1rem;
    max-width: 600px;
}

.section-header.centered {
    text-align: center;
}

.section-header.centered p {
    margin-left: auto;
    margin-right: auto;
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: #b45309;
    border-color: #b45309;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-outline-white {
    background: transparent;
    color: #ffffff;
    border-color: rgba(255,255,255,0.6);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.12);
    border-color: #ffffff;
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ── Navigation ───────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 31, 61, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 2rem;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.01em;
    flex-shrink: 0;
}

.nav-logo span {
    color: var(--color-accent);
}

.nav-logo:hover { color: #ffffff; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.25rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.75);
    transition: color 0.2s;
    letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active {
    color: #ffffff;
}

.nav-cta {
    flex-shrink: 0;
}

.nav-cta .btn {
    padding: 0.6rem 1.4rem;
    font-size: 0.875rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    background: var(--color-primary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,31,61,0.82) 0%, rgba(15,31,61,0.55) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
    padding: 6rem 0;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 28px;
    height: 2px;
    background: var(--color-accent);
}

.hero h1 {
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.hero h1 em {
    font-style: normal;
    color: var(--color-accent);
}

.hero .lead {
    color: rgba(255,255,255,0.80);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

/* ── Cards ────────────────────────────────────────────────────── */
.card {
    background: #ffffff;
    border: 1px solid rgba(15,31,61,0.08);
    border-radius: 8px;
    padding: 2.25rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(15,31,61,0.1);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 8px;
    background: var(--color-neutral);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    overflow: hidden;
}

.card-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ── Grid Systems ─────────────────────────────────────────────── */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

/* ── Proof / Stats Section ────────────────────────────────────── */
.stats-bar {
    background: var(--color-primary);
    padding: 5rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
    border-right: 1px solid rgba(255,255,255,0.1);
}

.stat-item:last-child { border-right: none; }

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.72);
    line-height: 1.4;
}

.stat-context {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.45);
    margin-top: 0.4rem;
    letter-spacing: 0.02em;
}

/* ── Who We Are ───────────────────────────────────────────────── */
.intro-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.intro-split .intro-visual img {
    border-radius: 8px;
    width: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
    box-shadow: 0 20px 60px rgba(15,31,61,0.15);
}

/* ── Services Page ─────────────────────────────────────────────── */
.service-block {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
    padding: 3rem 0;
    border-bottom: 1px solid rgba(15,31,61,0.08);
}

.service-block:last-child { border-bottom: none; }

.service-block-visual img {
    border-radius: 8px;
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
}

.service-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    color: rgba(15,31,61,0.07);
    line-height: 1;
    margin-bottom: -0.5rem;
}

.service-value-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(217,119,6,0.1);
    color: var(--color-accent);
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-top: 1rem;
}

/* ── Process Steps ─────────────────────────────────────────────── */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    counter-reset: step;
}

.process-step {
    counter-increment: step;
    position: relative;
    padding-top: 4rem;
}

.process-step::before {
    content: counter(step, decimal-leading-zero);
    position: absolute;
    top: 0;
    left: 0;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.9;
    line-height: 1;
}

.process-step h4 {
    margin-bottom: 0.6rem;
}

.process-step p {
    font-size: 0.9rem;
    color: #4a5568;
}

/* ── About Page ─────────────────────────────────────────────────── */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.value-item {
    padding: 2rem;
    border-left: 3px solid var(--color-accent);
    background: var(--color-neutral);
    border-radius: 0 8px 8px 0;
}

.value-item h4 {
    margin-bottom: 0.6rem;
    color: var(--color-primary);
}

/* ── CTA Section ─────────────────────────────────────────────────── */
.cta-section {
    background: var(--color-primary);
    padding: 7rem 0;
    text-align: center;
}

.cta-section h2 {
    color: #ffffff;
    max-width: 680px;
    margin: 0 auto 1.25rem;
}

.cta-section p {
    color: rgba(255,255,255,0.78);
    max-width: 520px;
    margin: 0 auto 2.5rem;
    font-size: 1.1rem;
}

/* ── Contact Page ─────────────────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 5rem;
    align-items: start;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.85rem 1rem;
    border: 1.5px solid rgba(15,31,61,0.18);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-primary);
    background: #ffffff;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

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

.form-error-msg {
    font-size: 0.8rem;
    color: #dc2626;
    display: none;
}

.form-error-msg.visible { display: block; }

.form-group textarea { min-height: 140px; resize: vertical; }

.form-success {
    display: none;
    background: rgba(16,185,129,0.08);
    border: 1.5px solid rgba(16,185,129,0.4);
    border-radius: 6px;
    padding: 1.5rem;
    text-align: center;
    color: #065f46;
    font-weight: 500;
}

.form-success.visible { display: block; }

.contact-details h3 {
    margin-bottom: 1.5rem;
}

.contact-detail-item {
    display: flex;
    gap: 0.85rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-detail-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-neutral);
    border: 1px solid rgba(15,31,61,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-secondary);
    font-size: 1rem;
}

.contact-detail-text {
    font-size: 0.9rem;
    color: #4a5568;
    line-height: 1.55;
}

.contact-detail-text strong {
    display: block;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.15rem;
}

/* ── Footer ───────────────────────────────────────────────────── */
.site-footer {
    background: var(--color-primary);
    color: rgba(255,255,255,0.72);
    padding: 5rem 0 2.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand .nav-logo {
    font-size: 1.05rem;
    display: block;
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.58);
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.65);
    font-size: 0.85rem;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    text-decoration: none;
}

.footer-social a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
}

.footer-col h4 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.45);
    margin-bottom: 1.25rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.7rem;
}

.footer-col ul li a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.65);
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #ffffff;
}

.footer-contact-item {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.65);
    margin-bottom: 0.7rem;
    line-height: 1.5;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    margin: 0;
}

/* ── Page Hero (internal pages) ───────────────────────────────── */
.page-hero {
    background: var(--color-primary);
    padding: 6rem 0;
}

.page-hero h1 { color: #ffffff; }

.page-hero .lead { color: rgba(255,255,255,0.75); margin-top: 1rem; }

/* ── Certifications / Trust Bar ─────────────────────────────────── */
.trust-bar {
    background: var(--color-neutral);
    border-top: 1px solid rgba(15,31,61,0.07);
    border-bottom: 1px solid rgba(15,31,61,0.07);
    padding: 2rem 0;
}

.trust-bar-inner {
    display: flex;
    align-items: center;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.trust-badge {
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(15,31,61,0.5);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.trust-badge::before {
    content: '✓';
    color: var(--color-accent);
    font-size: 0.9rem;
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .intro-split { gap: 3rem; }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta { display: none; }

    .nav-toggle { display: flex; }

    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-primary);
        padding: 1.5rem;
        gap: 0.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.08);
        z-index: 99;
    }

    .nav-links.open + .nav-cta {
        display: none;
    }

    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); padding: 1.5rem; }
    .stat-item:last-child { border-bottom: none; }
    .intro-split { grid-template-columns: 1fr; }
    .service-block { grid-template-columns: 1fr; }
    .service-block-visual { display: none; }
    .contact-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .section { padding: 4rem 0; }
    .hero-content { padding: 4rem 0; }
    .process-steps { grid-template-columns: 1fr 1fr; }
    .btn-group { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .process-steps { grid-template-columns: 1fr; }
}