/* ============================================
   ICCAC Certificate Verification - Public Styles
   Matches iccacenter.com design system
   ============================================ */

:root {
    --navy: #0f172a;
    --navy-light: #1e293b;
    --blue: #1e3a8a;
    --primary: #0c4a6e;
    --primary-light: #0ea5e9;
    --gold: #d97706;
    --gold-light: #fcd34d;
    --silver: #e2e8f0;
    --white: #ffffff;
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;
    --success: #059669;
    --success-light: #d1fae5;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.4);
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--slate-200);
    background: var(--slate-950);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: var(--primary-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold-light); }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    line-height: 1.4;
    letter-spacing: 0.3px;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--blue) 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--blue) 0%, var(--primary) 100%);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
    transform: translateY(-1px);
}
.btn-gold {
    background: linear-gradient(135deg, var(--gold) 0%, #b45309 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}
.btn-gold:hover {
    background: linear-gradient(135deg, #b45309 0%, var(--gold) 100%);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.4);
    transform: translateY(-1px);
}
.btn-outline {
    background: transparent;
    border-color: var(--slate-600);
    color: var(--slate-300);
}
.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(217, 119, 6, 0.1);
}
.btn-outline-white {
    background: transparent;
    border-color: rgba(255,255,255,0.4);
    color: var(--white);
}
.btn-outline-white:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(217, 119, 6, 0.1);
}
.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ===== HEADER ===== */
.site-header {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    text-decoration: none;
}
.site-logo:hover { color: var(--white); }
.logo-img {
    height: 44px;
    width: auto;
    object-fit: contain;
}
.logo-divider {
    width: 1px;
    height: 32px;
    background: var(--slate-600);
    flex-shrink: 0;
}
.logo-sub {
    font-size: 10px;
    color: var(--gold);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 600;
    line-height: 1.5;
    white-space: nowrap;
}
.site-nav {
    display: flex;
    gap: 2px;
}
.nav-link {
    padding: 8px 16px;
    color: var(--slate-400);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}
.nav-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.06);
}
.nav-link.active {
    color: var(--gold-light);
    background: rgba(217, 119, 6, 0.1);
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 8px;
    width: 40px;
    height: 40px;
    position: relative;
    z-index: 110;
}
.hamburger-icon,
.hamburger-icon::before,
.hamburger-icon::after {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.3s ease;
    position: absolute;
    left: 9px;
}
.hamburger-icon { top: 50%; transform: translateY(-50%); }
.hamburger-icon::before { content: ''; top: -7px; }
.hamburger-icon::after { content: ''; top: 7px; }
.nav-toggle.active .hamburger-icon { background: transparent; }
.nav-toggle.active .hamburger-icon::before { top: 0; transform: rotate(45deg); }
.nav-toggle.active .hamburger-icon::after { top: 0; transform: rotate(-45deg); }

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, var(--slate-950) 0%, var(--navy) 30%, var(--primary) 70%, var(--blue) 100%);
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(217, 119, 6, 0.1) 0%, transparent 50%);
    pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero h1 {
    font-family: 'Cinzel', serif;
    font-size: 52px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 6px;
    margin-bottom: 12px;
}
.hero-subtitle {
    font-size: 14px;
    color: var(--gold);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 12px;
}
.hero-desc {
    font-size: 18px;
    color: var(--slate-400);
    margin-bottom: 36px;
    font-family: 'Merriweather', serif;
    font-weight: 300;
}
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== SECTIONS ===== */
.section {
    padding: 80px 0;
}
.section-dark {
    background: var(--navy);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}
.section-title {
    font-family: 'Cinzel', serif;
    font-size: 32px;
    font-weight: 600;
    color: var(--white);
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: 1px;
}
.section-subtitle {
    font-size: 16px;
    color: var(--slate-400);
    text-align: center;
    margin-bottom: 48px;
}

/* ===== STEPS ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.step-card {
    text-align: center;
    padding: 36px 24px;
    border-radius: var(--radius-xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
    transition: all 0.3s;
    position: relative;
}
.step-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.1);
    transform: translateY(-4px);
}
.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--gold), #b45309);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}
.step-icon {
    color: var(--primary-light);
    margin-bottom: 16px;
}
.step-card h3 {
    font-family: 'Cinzel', serif;
    font-size: 17px;
    color: var(--white);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}
.step-card p {
    font-size: 14px;
    color: var(--slate-400);
}

/* ===== VERIFY FORM (Home) ===== */
.verify-form-home {
    max-width: 700px;
    margin: 0 auto;
}
.verify-input-group {
    display: flex;
    gap: 12px;
    background: rgba(255,255,255,0.06);
    padding: 8px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
}
.verify-input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-family: inherit;
    background: rgba(255,255,255,0.08);
    color: var(--white);
    outline: none;
    transition: background 0.2s;
}
.verify-input:focus {
    background: rgba(255,255,255,0.12);
}
.verify-input::placeholder {
    color: var(--slate-500);
}

/* ===== SERVICES ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.service-card {
    padding: 28px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(8px);
    transition: all 0.3s;
}
.service-card:hover {
    border-color: rgba(217, 119, 6, 0.3);
    box-shadow: 0 8px 24px rgba(217, 119, 6, 0.1);
    transform: translateY(-2px);
}
.service-code {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(14, 165, 233, 0.15);
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 700;
    border-radius: 6px;
    letter-spacing: 1px;
    margin-bottom: 12px;
    border: 1px solid rgba(14, 165, 233, 0.2);
}
.service-card h3 {
    font-family: 'Cinzel', serif;
    font-size: 17px;
    color: var(--white);
    margin-bottom: 8px;
}
.service-card p {
    font-size: 14px;
    color: var(--slate-400);
    line-height: 1.6;
}

/* ===== CTA ===== */
.section-cta {
    background: linear-gradient(135deg, var(--blue) 0%, var(--navy) 50%, var(--primary) 100%);
    padding: 60px 0;
    border-top: 1px solid var(--glass-border);
}
.section-cta h2 {
    font-family: 'Cinzel', serif;
    font-size: 28px;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.section-cta p {
    color: var(--slate-400);
    margin-bottom: 24px;
    font-size: 16px;
}

/* ===== VERIFY PAGE ===== */
.verify-page {
    padding: 60px 0 80px;
    background: var(--slate-950);
    min-height: calc(100vh - 72px);
}
.verify-header {
    text-align: center;
    margin-bottom: 32px;
}
.verify-header h1 {
    font-family: 'Cinzel', serif;
    font-size: 36px;
    color: var(--white);
    margin-bottom: 8px;
    letter-spacing: 1px;
}
.verify-header p {
    color: var(--slate-400);
    font-size: 16px;
}
.verify-search-form {
    max-width: 700px;
    margin: 0 auto 40px;
}
.verify-page .verify-input-group {
    background: var(--navy-light);
    border-color: var(--slate-700);
    box-shadow: var(--shadow-lg);
}
.verify-page .verify-input {
    background: rgba(255,255,255,0.06);
    color: var(--white);
}

/* ===== VERIFY RESULTS ===== */
.verify-result {
    max-width: 700px;
    margin: 0 auto 40px;
}
.result-card {
    background: var(--navy-light);
    border-radius: var(--radius-xl);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--glass-border);
    border-top: 4px solid;
}
.result-valid { border-top-color: var(--success); }
.result-revoked { border-top-color: var(--danger); }
.result-expired { border-top-color: var(--warning); }
.result-invalid { border-top-color: var(--slate-500); }

.result-icon { margin-bottom: 16px; }
.result-valid .result-icon { color: var(--success); }
.result-revoked .result-icon { color: var(--danger); }
.result-expired .result-icon { color: var(--warning); }
.result-invalid .result-icon { color: var(--slate-500); }

.result-title {
    font-family: 'Cinzel', serif;
    font-size: 24px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
}
.result-subtitle {
    color: var(--slate-400);
    font-size: 15px;
    margin-bottom: 24px;
}

.cert-details-card {
    text-align: left;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-top: 20px;
}
.cert-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.cert-detail-row:last-child { border-bottom: none; }
.cert-label {
    font-size: 13px;
    color: var(--slate-500);
    font-weight: 500;
}
.cert-value {
    font-size: 14px;
    color: var(--white);
    font-weight: 600;
    text-align: right;
}

.result-actions {
    margin-top: 24px;
}

/* ===== VERIFY INFO ===== */
.verify-info {
    max-width: 700px;
    margin: 0 auto;
    background: var(--navy-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 32px;
}
.verify-info h3 {
    font-family: 'Cinzel', serif;
    font-size: 20px;
    color: var(--white);
    margin-bottom: 20px;
    text-align: center;
}
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.info-item strong {
    display: block;
    color: var(--gold);
    margin-bottom: 4px;
    font-size: 14px;
}
.info-item p {
    font-size: 14px;
    color: var(--slate-400);
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--navy);
    border-top: 1px solid var(--glass-border);
    color: var(--slate-400);
    padding: 48px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}
.footer-brand {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}
.footer-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}
.footer-col h4 {
    font-family: 'Cinzel', serif;
    color: var(--white);
    font-size: 15px;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.footer-col p {
    font-size: 14px;
    line-height: 1.6;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    font-size: 14px;
    margin-bottom: 10px;
}
.footer-col ul a {
    color: var(--slate-400);
    transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--gold-light); }
.footer-small { font-size: 12px; color: var(--slate-600); margin-top: 8px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 20px;
    text-align: center;
}
.footer-bottom p { font-size: 13px; color: var(--slate-500); }
.footer-sub { font-size: 11px; color: var(--slate-600); margin-top: 4px; }
.footer-dev { font-size: 11px; color: var(--slate-600); margin-top: 8px; }
.footer-dev a { color: var(--slate-500); transition: color 0.2s; }
.footer-dev a:hover { color: var(--gold); }

.font-mono { font-family: 'Courier New', monospace; letter-spacing: 1px; }
.text-center { text-align: center; }

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

/* --- Tablet landscape / small desktop --- */
@media (max-width: 1024px) {
    .container { padding: 0 20px; }
    .hero h1 { font-size: 42px; letter-spacing: 4px; }
    .hero { padding: 80px 0 60px; }
    .steps-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-grid .footer-col:first-child { grid-column: 1 / -1; }
    .section { padding: 60px 0; }
    .nav-link { padding: 8px 12px; font-size: 13px; }
}

/* --- Tablet portrait / large mobile --- */
@media (max-width: 768px) {
    .container { padding: 0 16px; }

    /* Header */
    .header-inner { height: 60px; }
    .logo-img { height: 36px; }
    .logo-divider { height: 26px; }
    .logo-sub { font-size: 9px; letter-spacing: 1px; }

    /* Mobile nav */
    .nav-toggle { display: flex; align-items: center; justify-content: center; }
    .site-nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 12px 16px 20px;
        border-top: 1px solid var(--glass-border);
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
        z-index: 100;
    }
    .site-nav.open { display: flex; }
    .site-nav .nav-link {
        padding: 14px 16px;
        font-size: 15px;
        border-radius: var(--radius);
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .site-nav .nav-link:last-child { border-bottom: none; }
    .site-nav .nav-link:hover { background: rgba(255, 255, 255, 0.08); }

    /* Hero */
    .hero { padding: 60px 0 50px; }
    .hero h1 { font-size: 28px; letter-spacing: 2px; }
    .hero-subtitle { font-size: 12px; letter-spacing: 2px; }
    .hero-desc { font-size: 15px; margin-bottom: 28px; }
    .hero-actions { gap: 12px; }
    .hero-actions .btn { padding: 12px 24px; font-size: 14px; }

    /* Sections */
    .section { padding: 48px 0; }
    .section-title { font-size: 24px; letter-spacing: 0.5px; }
    .section-subtitle { font-size: 14px; margin-bottom: 32px; }

    /* Grids */
    .steps-grid { grid-template-columns: 1fr; gap: 24px; }
    .services-grid { grid-template-columns: 1fr; gap: 16px; }
    .info-grid { grid-template-columns: 1fr; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }

    /* Cards */
    .step-card { padding: 28px 20px; }
    .service-card { padding: 24px 20px; }

    /* Verify form */
    .verify-input-group {
        flex-direction: column;
        padding: 6px;
        gap: 8px;
    }
    .verify-input { padding: 14px 16px; font-size: 15px; }
    .verify-input-group .btn { width: 100%; justify-content: center; }

    /* Verify page */
    .verify-page { padding: 40px 0 60px; }
    .verify-header { margin-bottom: 24px; }
    .verify-header h1 { font-size: 26px; }
    .verify-header p { font-size: 14px; }
    .verify-search-form { margin: 0 auto 32px; }

    /* Result card */
    .result-card { padding: 28px 20px; }
    .result-icon svg { width: 52px; height: 52px; }
    .result-title { font-size: 20px; }
    .result-subtitle { font-size: 14px; }

    /* Certificate detail rows - stack on mobile */
    .cert-detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 10px 0;
    }
    .cert-value { text-align: left; }
    .cert-details-card { padding: 16px; }

    /* Verify info */
    .verify-info { padding: 24px 20px; }
    .verify-info h3 { font-size: 18px; }

    /* CTA */
    .section-cta { padding: 48px 0; }
    .section-cta h2 { font-size: 22px; }
    .section-cta p { font-size: 14px; }

    /* Footer */
    .footer-col h4 { margin-bottom: 12px; }
    .site-footer { padding: 36px 0 20px; }
    .footer-bottom p { font-size: 12px; }
    .footer-sub { font-size: 10px; }

    /* Buttons */
    .btn-lg { padding: 14px 28px; font-size: 15px; }
}

/* --- Small mobile --- */
@media (max-width: 480px) {
    .container { padding: 0 12px; }

    /* Header */
    .header-inner { height: 56px; }
    .logo-img { height: 30px; }
    .logo-divider { height: 22px; }
    .logo-sub { font-size: 8px; letter-spacing: 0.8px; }
    .site-logo { gap: 8px; }

    /* Mobile nav */
    .site-nav { top: 56px; }

    /* Hero */
    .hero { padding: 48px 0 40px; }
    .hero h1 { font-size: 22px; letter-spacing: 1.5px; line-height: 1.3; }
    .hero-subtitle { font-size: 11px; letter-spacing: 1.5px; margin-bottom: 8px; }
    .hero-desc { font-size: 14px; margin-bottom: 24px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; }

    /* Sections */
    .section { padding: 36px 0; }
    .section-title { font-size: 20px; }
    .section-subtitle { font-size: 13px; margin-bottom: 24px; }

    /* Verify page */
    .verify-page { padding: 28px 0 48px; }
    .verify-header h1 { font-size: 22px; }
    .verify-header p { font-size: 13px; }

    /* Result card */
    .result-card { padding: 24px 16px; }
    .result-icon svg { width: 44px; height: 44px; }
    .result-title { font-size: 18px; }
    .result-subtitle { font-size: 13px; margin-bottom: 20px; }

    /* Detail rows */
    .cert-details-card { padding: 12px; }
    .cert-label { font-size: 12px; }
    .cert-value { font-size: 13px; }

    /* Verify info */
    .verify-info { padding: 20px 16px; }
    .verify-info h3 { font-size: 16px; margin-bottom: 16px; }
    .info-item strong { font-size: 13px; }
    .info-item p { font-size: 13px; }

    /* Footer */
    .site-footer { padding: 28px 0 16px; }
    .footer-grid { gap: 20px; margin-bottom: 20px; }
    .footer-col p, .footer-col ul li { font-size: 13px; }
    .footer-brand h4 { font-size: 14px; }

    /* CTA */
    .section-cta { padding: 36px 0; }
    .section-cta h2 { font-size: 20px; }
    .section-cta p { font-size: 13px; }

    /* Buttons */
    .btn { padding: 10px 20px; font-size: 13px; }
    .btn-lg { padding: 12px 24px; font-size: 14px; }
    .btn-sm { padding: 6px 12px; font-size: 12px; }

    /* Form */
    .verify-input { padding: 12px 14px; font-size: 14px; }
}