/* ---------- Base (aynı tema, hero.html ile uyumlu) ---------- */
        

        

        /* ---------- Section background ---------- */
        .section-bg {
            background:
                radial-gradient(ellipse 70% 50% at 90% 70%, rgba(30, 58, 138, 0.55) 0%, transparent 60%),
                radial-gradient(ellipse 60% 40% at 10% 30%, rgba(20, 35, 102, 0.7) 0%, transparent 55%),
                linear-gradient(160deg, #050B26 0%, #0A1647 55%, #0B1B5C 100%);
        }

        /* ---------- Right-side decorative dotted "Q" / circle pattern ---------- */
        .decor-q {
            position: absolute;
            right: -150px;
            bottom: -120px;
            width: 520px;
            height: 520px;
            pointer-events: none;
            opacity: 0.55;
            z-index: 0;
        }
        @media (max-width: 768px) {
            .decor-q { width: 280px; height: 280px; right: -100px; bottom: -80px; opacity: 0.35; }
        }

        /* ---------- Title with accent underline ---------- */
        .title-display {
            font-family: var(--font-display);
            letter-spacing: -0.01em;
            line-height: 1;
        }
        .title-underline {
            display: inline-block;
            height: 3px;
            background: linear-gradient(90deg, var(--c-accent) 0%, rgba(127, 200, 248, 0) 100%);
            border-radius: 2px;
            box-shadow: 0 0 18px rgba(127, 200, 248, 0.55);
        }

        /* ---------- Invitation card (left side) ---------- */
        .invite-card {
            background:
                radial-gradient(ellipse 80% 50% at 50% 0%, rgba(30, 58, 138, 0.5) 0%, transparent 60%),
                linear-gradient(180deg, #0B1640 0%, #0A1647 60%, #060F33 100%);
            border: 1.5px solid var(--c-card-border);
            border-radius: 22px;
            box-shadow:
                0 30px 80px rgba(0, 0, 0, 0.45),
                0 0 0 1px rgba(255, 255, 255, 0.03) inset,
                0 0 60px rgba(127, 200, 248, 0.08) inset;
            overflow: hidden;
            position: relative;
        }

        /* Mini "NASCO" patterned text inside the card */
        .mini-nasco {
            font-family: var(--font-display);
            background-image:
                repeating-linear-gradient(45deg, rgba(255,255,255,0.95) 0 2px, transparent 2px 6px),
                repeating-linear-gradient(-45deg, rgba(255,255,255,0.95) 0 2px, transparent 2px 6px),
                radial-gradient(circle at center, #ffffff 0%, #d6e4ff 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            -webkit-text-stroke: 1px rgba(255,255,255,0.15);
            filter: drop-shadow(0 4px 14px rgba(127, 200, 248, 0.25));
            letter-spacing: -0.01em;
            line-height: 0.95;
        }
        .mini-29 {
            font-family: var(--font-display);
            color: transparent;
            -webkit-text-stroke: 2px var(--c-accent);
            line-height: 0.95;
            text-shadow: 0 0 22px rgba(127, 200, 248, 0.35);
        }

        /* Date / location pill inside card */
        .card-pill {
            background: rgba(184, 220, 251, 0.12);
            border: 1.2px solid var(--c-pill-border);
            backdrop-filter: blur(8px);
            box-shadow: 0 6px 24px rgba(10, 22, 71, 0.4);
        }

        /* ---------- Letter body ---------- */
        .letter-prose p {
            margin: 0 0 0.55rem 0;
        }
        .letter-prose strong { font-weight: 700; color: #fff; }
        .letter-prose .link { color: var(--c-accent); text-decoration: underline; text-underline-offset: 3px; }

        /* ---------- Entrance animations ---------- */
        @keyframes riseIn {
            from { opacity: 0; transform: translateY(20px); }
            to   { opacity: 1; transform: translateY(0); }
        }
        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
        @keyframes drawLine { from { transform: scaleX(0); } to { transform: scaleX(1); } }

        .anim-rise { opacity: 0; animation: riseIn 0.9s cubic-bezier(.2,.7,.2,1) forwards; }
        .anim-fade { opacity: 0; animation: fadeIn 1s ease forwards; }
        .anim-line { transform-origin: left center; animation: drawLine 0.9s cubic-bezier(.2,.7,.2,1) 0.35s forwards; transform: scaleX(0); }

        /* ---------- Architectural illustration inside card ---------- */
        .card-illustration {
            opacity: 0.55;
            mix-blend-mode: screen;
        }