/* ========================================
   LUXE SAGE + BLUSH + GOLD PORTFOLIO 2026
   ======================================== */

:root {
    --bg-primary: #FDFBFA;
    --bg-secondary: #F9F5F2;
    --bg-card: #FFFFFF;
    --text-primary: #2E2624;
    --text-secondary: #5D524C;
    --text-muted: #8A7F78;
    --sage: #8FA885;
    --sage-light: #C8D6C0;
    --blush: #E8C7C1;
    --blush-dark: #D9A79E;
    --gold: #D4B98D;
    --gold-dark: #B8945F;
    --border-color: #EAE3DC;
    --shadow-sm: 0 4px 14px rgba(46, 38, 36, 0.06);
    --shadow-md: 0 10px 30px rgba(46, 38, 36, 0.10);
    --shadow-lg: 0 20px 50px rgba(46, 38, 36, 0.14);
    --navbar-bg: rgba(253, 251, 250, 0.85);
}

[data-theme="dark"] {
    --bg-primary: #1C1917;
    --bg-secondary: #262220;
    --bg-card: #2B2624;
    --text-primary: #F3E8E2;
    --text-secondary: #D2C3BB;
    --text-muted: #A5978F;
    --sage: #A8C09C;
    --sage-light: #3A4235;
    --blush: #E3B8B0;
    --blush-dark: #D9A79E;
    --gold: #E0C19A;
    --gold-dark: #C9A264;
    --border-color: #3A322E;
    --shadow-sm: 0 4px 14px rgba(0,0,0,0.35);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.45);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.55);
    --navbar-bg: rgba(28, 25, 23, 0.85);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background .4s ease, color .4s ease;
}
h1, h2, h3, h4 { font-family: 'Playfair Display', serif; color: var(--text-primary); }
a { color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ===== Navbar ===== */
.navbar {
    position: sticky; top: 0; z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    transition: all .3s;
}
.nav-container {
    max-width: 1400px; margin: 0 auto; padding: 1.1rem 2rem;
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
}
.nav-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem; font-weight: 700; color: var(--text-primary);
    text-decoration: none; letter-spacing: -0.5px;
}
.nav-menu { display: flex; gap: 1.8rem; list-style: none; align-items: center; }
.nav-link {
    color: var(--text-secondary); font-weight: 500; font-size: 0.95rem; position: relative;
    padding: 0.4rem 0; text-decoration: none; transition: color .3s;
    white-space: nowrap;
}
.nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
    background: var(--gold-dark); transition: width .3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--gold-dark); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.theme-toggle-desktop {
    border: 1px solid var(--border-color); background: var(--bg-card); color: var(--text-secondary);
    padding: 0.5rem 1.1rem; border-radius: 20px; font-size: 0.85rem; font-weight: 600;
    cursor: pointer; transition: all .3s;
}
.theme-toggle-desktop:hover { border-color: var(--gold-dark); color: var(--gold-dark); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.4rem; }

/* ===== Buttons ===== */
.btn-primary {
    background: linear-gradient(135deg, var(--blush) 0%, var(--gold) 100%);
    color: #2E2624; padding: 15px 38px; border-radius: 30px;
    font-weight: 700; text-decoration: none; display: inline-block;
    box-shadow: var(--shadow-md); transition: all .35s;
    border: none; font-size: 0.95rem;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn-secondary {
    border: 2px solid var(--gold-dark); color: var(--gold-dark); background: transparent;
    padding: 13px 36px; border-radius: 30px; font-weight: 700; text-decoration: none;
    display: inline-block; transition: all .35s; font-size: 0.95rem;
}
.btn-secondary:hover { background: var(--gold-dark); color: #FFF; transform: translateY(-3px); }

/* ===== Hero ===== */
.hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}
.hero-container {
    max-width: 1200px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: 1.3fr 320px; gap: 4rem; align-items: center;
}
.hero-title {
    font-size: clamp(2.6rem, 5vw, 4.2rem); line-height: 1.05;
    margin-bottom: 0.6rem; letter-spacing: -1px;
}
.hero-tagline { font-size: 1.4rem; color: var(--sage); font-weight: 600; }
.hero-intro { font-size: 1.08rem; color: var(--text-secondary); max-width: 620px; margin-top: 1rem; }
.hero-img {
    width: 100%; max-width: 300px; border-radius: 24px;
    border: 4px solid var(--bg-card);
    box-shadow: var(--shadow-lg); transition: transform .4s;
}
.hero-img:hover { transform: scale(1.03) rotate(-1deg); }

/* ===== Certifications strip ===== */
.certifications {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cert-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 600;
}

.cert-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.cert-badge {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.9rem 1.3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-sm);
}

.cert-badge:hover {
    border-color: var(--blush-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.cert-title {
    font-weight: 600;
    color: var(--gold-dark);
    font-size: 0.95rem;
}

.cert-issuer {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .cert-row { flex-direction: column; }
}

/* ===== Expertise / cards grid ===== */
.expertise { padding: 5rem 2rem 6rem; }
.section-title {
    text-align: center; font-size: clamp(2rem, 4vw, 2.8rem);
    position: relative; display: block; margin-bottom: 0.6rem;
}
.section-subtitle {
    text-align: center; color: var(--text-secondary); max-width: 560px;
    margin: 0 auto; font-size: 1.02rem;
}
.expertise-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.8rem;
    max-width: 1200px; margin: 3rem auto 0;
}
.expertise-card {
    background: var(--bg-card); padding: 2.3rem; border-radius: 18px;
    border: 1px solid var(--border-color); box-shadow: var(--shadow-sm);
    transition: all .35s; text-decoration: none; color: inherit;
    display: flex; flex-direction: column;
}
.expertise-card:hover {
    transform: translateY(-8px); box-shadow: var(--shadow-lg);
    border-color: var(--blush-dark);
}
.card-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.expertise-card h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
.expertise-card p { color: var(--text-secondary); font-size: 0.95rem; flex-grow: 1; }
.card-cta { color: var(--gold-dark); font-weight: 700; margin-top: 1.2rem; font-size: 0.9rem; }
.expertise-card:hover .card-cta { color: var(--blush-dark); }

/* ===== Footer ===== */
.footer {
    background: linear-gradient(135deg, var(--sage) 0%, var(--sage-light) 100%);
    color: #FFF; padding: 4rem 2rem; text-align: center;
}
[data-theme="dark"] .footer { color: #F3E8E2; }
.email-btn {
    background: var(--gold-dark); color: #FFF; border: none;
    padding: 14px 36px; border-radius: 30px; font-weight: 700; cursor: pointer;
    margin: 1.5rem 0; display: inline-flex; align-items: center; gap: 10px;
    box-shadow: var(--shadow-md); transition: all .35s; font-size: 0.95rem;
}
.email-btn:hover { transform: translateY(-3px); filter: brightness(1.08); }
.footer-links { display: flex; gap: 1.5rem; justify-content: center; margin-top: 1rem; }
.footer-links a { color: #FFF; text-decoration: underline; font-size: 0.9rem; opacity: 0.9; }
.footer-links a:hover { opacity: 1; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-img { margin: 0 auto; }
    .hero-intro { margin-left: auto; margin-right: auto; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 2.4rem; }
    .nav-menu {
        display: none; flex-direction: column; width: 100%; padding: 1rem 0; gap: 1rem;
    }
    .nav-menu.active { display: flex; }
    .nav-toggle { display: flex; flex-direction: column; gap: 5px; }
    .nav-toggle span { background: var(--text-primary); width: 26px; height: 2.5px; border-radius: 2px; display: block; }
}