/* ============================================
   VISAGE AI - Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Playfair+Display:wght@600;700;800&display=swap');

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

:root {
    --primary: #0f2b4c;
    --primary-light: #1a3f6f;
    --accent: #2d7dd2;
    --accent-light: #5a9fe0;
    --accent-glow: rgba(45, 125, 210, 0.15);
    --success: #27ae60;
    --light: #f4f7fb;
    --lighter: #f9fafb;
    --white: #ffffff;
    --text: #1e293b;
    --text-mid: #475569;
    --text-light: #64748b;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- NAVBAR ---- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
}

.navbar-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}
.logo span { color: var(--accent); }

.nav-menu {
    display: flex;
    gap: 8px;
    list-style: none;
}

.nav-menu a {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-mid);
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent);
    background: var(--accent-glow);
}

.nav-cta {
    background: var(--accent) !important;
    color: var(--white) !important;
    font-weight: 600 !important;
    padding: 8px 20px !important;
}

.nav-cta:hover {
    background: var(--primary-light) !important;
}

/* Mobile menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    border-radius: 2px;
    transition: 0.2s;
}

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}
.btn-outline:hover {
    background: var(--accent);
    color: var(--white);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
}
.btn-white:hover {
    background: var(--light);
    transform: translateY(-1px);
}

/* ---- SECTION HEADINGS ---- */
.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 560px;
    line-height: 1.7;
}

/* ---- FOOTER ---- */
.footer {
    background: var(--primary);
    color: rgba(255,255,255,0.7);
    padding: 60px 24px 32px;
}

.footer-grid {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
    display: inline-block;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    max-width: 1120px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.35);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.35);
    transition: color 0.2s;
}

.footer-bottom-links a:hover {
    color: rgba(255,255,255,0.7);
}

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-up {
    animation: fadeUp 0.6s ease-out forwards;
}

.fade-up-d1 { animation-delay: 0.1s; opacity: 0; }
.fade-up-d2 { animation-delay: 0.2s; opacity: 0; }
.fade-up-d3 { animation-delay: 0.3s; opacity: 0; }
.fade-up-d4 { animation-delay: 0.4s; opacity: 0; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .navbar { padding: 0 16px; }
    .navbar-inner { height: 56px; }
    .menu-toggle { display: block; }

    .nav-menu {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
    }

    .nav-menu.open { display: flex; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}