/* ===== Sahnem theme — navy → teal, cyan accents ===== */
:root {
    --bg-start: #0b1120;
    --bg-mid: #13284a;
    --bg-end: #0e5f6b;

    --cyan: #22d3ee;
    --cyan-2: #38bdf8;
    --cyan-3: #0ea5e9;

    --text: #ffffff;
    --text-soft: #cbd5e1;
    --text-muted: #94a3b8;

    --card-bg: rgba(15, 23, 42, 0.72);
    --card-border: rgba(148, 163, 184, 0.10);
    --card-border-hover: rgba(34, 211, 238, 0.35);
}

/* Background */
html, body.body {
    min-height: 100%;
}
body.body {
    font-family: "Inter", system-ui, sans-serif;
    color: var(--text);
    background-color: var(--bg-start);
    background-image: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-mid) 45%, var(--bg-end) 100%);
    background-attachment: fixed;
}

/* Header */
.brand { color: var(--text); letter-spacing: -0.02em; }

/* Hero */
.hero-title {
    font-weight: 900;
    font-size: clamp(2.2rem, 5vw, 4.2rem);
    line-height: 1.12;
    letter-spacing: -0.035em;
    color: var(--text);
}
.gradient-text {
    background: linear-gradient(90deg, #4dd0e1 0%, var(--cyan-2) 60%, var(--cyan-3) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-lead {
    max-width: 900px;
    margin-inline: auto;
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-soft);
}
.accent { color: var(--cyan); }

/* Buttons */
.btn-primary-cyan {
    background: linear-gradient(90deg, #4dd0e1 0%, var(--cyan-3) 100%);
    color: #fff;
    font-weight: 700;
    border: 0;
    border-radius: 10px;
    padding: 0.85rem 3rem;
    box-shadow: 0 10px 30px -10px rgba(34, 211, 238, 0.55);
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-primary-cyan:hover,
.btn-primary-cyan:focus {
    color: #fff;
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: 0 14px 34px -10px rgba(34, 211, 238, 0.7);
}
.btn-ghost-dark {
    background: rgba(30, 41, 59, 0.85);
    color: var(--text-soft);
    font-weight: 500;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 10px;
    padding: 0.85rem 3rem;
    transition: background .2s ease, color .2s ease, transform .2s ease;
}
.btn-ghost-dark:hover,
.btn-ghost-dark:focus {
    background: rgba(30, 41, 59, 1);
    color: #fff;
    transform: translateY(-2px);
}

/* Section titles */
.section-title {
    font-weight: 800;
    font-size: clamp(1.8rem, 3.6vw, 3rem);
    letter-spacing: -0.03em;
    color: var(--text);
}
.section-sub {
    color: var(--text-soft);
    font-size: 1.1rem;
}

/* Cards */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 2.25rem 2.25rem;
    box-shadow: 0 20px 40px -24px rgba(0, 0, 0, 0.6);
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.glass-card:hover {
    transform: translateY(-6px);
    border-color: var(--card-border-hover);
    box-shadow: 0 24px 50px -20px rgba(34, 211, 238, 0.25);
}
.card-icon {
    font-size: 2.6rem;
    color: var(--cyan);
    margin-bottom: 1.4rem;
    display: inline-block;
}
.card-title-s {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text);
    margin-bottom: 0.9rem;
}
.card-text-s {
    color: var(--text-soft);
    margin-bottom: 0;
}

/* Media area (video / image / youtube) */
.media-frame {
    position: relative;
    max-width: 1260px;
    margin-inline: auto;
    aspect-ratio: 16 / 9;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(8, 15, 30, 0.85), rgba(10, 35, 45, 0.75));
    border: 1.5px dashed rgba(56, 189, 248, 0.35);
}
.media-frame.has-media {
    border-style: solid;
    border-color: rgba(56, 189, 248, 0.2);
    box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.7);
}
.media-frame video,
.media-frame img,
.media-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    object-fit: cover;
    background: #000;
}
.media-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
}
.media-placeholder i {
    font-size: 2.8rem;
    color: var(--cyan-2);
    opacity: 0.85;
    margin-bottom: 1.4rem;
}
.media-placeholder h3 {
    color: var(--cyan);
    font-weight: 600;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    margin-bottom: 0.5rem;
}
.media-placeholder p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.95rem;
}

/* Footer */
.site-footer {
    color: var(--cyan-2);
    background: rgba(8, 47, 73, 0.35);
    border-top: 1px solid rgba(56, 189, 248, 0.15);
    font-size: 0.95rem;
}

/* Mobile */
@media (max-width: 576px) {
    .hero-lead { font-size: 1.05rem; }
    .btn-primary-cyan, .btn-ghost-dark { padding: 0.75rem 2rem; }
    .glass-card { padding: 1.75rem; }
}