/* ==========================================================================
   Theme: Sommer
   Warm sunset + deep ocean blue - Warm, tropical, energetic evenings
   ========================================================================== */

.theme-sommer {
    /* Hintergruende - Warme Abendstimmung */
    --color-bg: #0a1628;
    --color-bg-gradient: linear-gradient(
        145deg,
        #0a1628 0%,
        #0d1f3c 40%,
        #142952 70%,
        #0c1a30 100%
    );
    --color-surface: #112240;
    --color-surface-elevated: #1a3358;
    --color-surface-hover: #234470;

    /* Text */
    --color-text: #e8e6e3;
    --color-text-muted: #8899aa;
    --color-heading: #fff5e6;

    /* Akzent - Warmes Orange (Sonnenuntergang) */
    --color-accent: #ff9f43;
    --color-accent-light: #ffbe76;
    --color-accent-dark: #e67e22;
    --color-accent-glow: rgba(255, 159, 67, 0.35);

    /* Sekundaerfarbe - Ozeanblau */
    --color-secondary: #0077b6;
    --color-secondary-light: #00a8e8;

    /* Spielkarten */
    --color-hearts: #ff6b6b;
    --color-spades: #fff5e6;
    --color-diamonds: #ff6b6b;
    --color-clubs: #fff5e6;

    /* Semantisch */
    --color-success: #00d9a5;
    --color-warning: #ffd32a;
    --color-error: #ff6b6b;

    /* Gradienten */
    --gradient-hero: linear-gradient(
        180deg,
        rgba(10, 22, 40, 0) 0%,
        rgba(10, 22, 40, 0.4) 40%,
        rgba(10, 22, 40, 0.85) 70%,
        rgba(10, 22, 40, 1) 100%
    );
    --gradient-gold: linear-gradient(
        135deg,
        #e67e22 0%,
        #ff9f43 25%,
        #ffbe76 50%,
        #ff9f43 75%,
        #e67e22 100%
    );
    --gradient-card: linear-gradient(
        155deg,
        #1a3358 0%,
        #112240 60%,
        #0d1d38 100%
    );
    --gradient-shimmer: linear-gradient(
        110deg,
        transparent 0%,
        rgba(255, 159, 67, 0.03) 40%,
        rgba(255, 159, 67, 0.08) 50%,
        rgba(255, 159, 67, 0.03) 60%,
        transparent 100%
    );

    /* Schatten */
    --shadow-card:
        0 2px 4px rgba(0, 0, 0, 0.3),
        0 8px 24px rgba(0, 0, 0, 0.4),
        0 16px 48px rgba(0, 0, 0, 0.25);
    --shadow-card-hover:
        0 4px 8px rgba(0, 0, 0, 0.35),
        0 12px 32px rgba(0, 0, 0, 0.45),
        0 0 40px rgba(255, 159, 67, 0.1);
    --shadow-glow:
        0 0 20px rgba(255, 159, 67, 0.2),
        0 0 60px rgba(255, 159, 67, 0.12);
    --shadow-glow-intense:
        0 0 30px rgba(255, 159, 67, 0.3),
        0 0 80px rgba(255, 159, 67, 0.18),
        0 0 120px rgba(255, 159, 67, 0.1);

    /* Borders */
    --border-subtle: 1px solid rgba(255, 255, 255, 0.06);
    --border-accent: 1px solid rgba(255, 159, 67, 0.4);
    --border-glow: 1px solid rgba(255, 159, 67, 0.2);
}

/* ==========================================================================
   Theme-spezifische Overrides
   ========================================================================== */

/* Cards */
.theme-sommer .card {
    background: var(--gradient-card);
    border: var(--border-subtle);
    position: relative;
    overflow: hidden;
}

.theme-sommer .card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: var(--gradient-shimmer);
    transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.theme-sommer .card:hover::after {
    left: 100%;
}

/* Buttons */
.theme-sommer .btn-primary {
    background: var(--gradient-gold);
    color: #0a1628;
    text-shadow: none;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.theme-sommer .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.25),
        transparent
    );
    transition: left 0.5s ease;
}

.theme-sommer .btn-primary:hover::before {
    left: 100%;
}

.theme-sommer .btn-primary:hover {
    box-shadow: var(--shadow-glow-intense);
    transform: translateY(-2px);
}

/* Testimonials */
.theme-sommer .testimonial-card {
    border: var(--border-glow);
    background: linear-gradient(
        145deg,
        rgba(26, 51, 88, 0.8),
        rgba(17, 34, 64, 0.9)
    );
}

.theme-sommer .testimonial-card:hover {
    border-color: rgba(255, 159, 67, 0.35);
    box-shadow: 0 0 30px rgba(255, 159, 67, 0.1);
}

/* Navigation */
.theme-sommer .nav {
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(16px) saturate(1.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.theme-sommer .nav.scrolled {
    background: rgba(10, 22, 40, 0.95);
}

/* Footer */
.theme-sommer .footer {
    background: linear-gradient(
        180deg,
        #0d1d38 0%,
        #0a1628 100%
    );
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* Badge */
.theme-sommer .badge {
    background: var(--gradient-gold);
    font-weight: 700;
    letter-spacing: 0.08em;
}

/* Inputs */
.theme-sommer .form-input:focus,
.theme-sommer .form-textarea:focus,
.theme-sommer .form-select:focus {
    border-color: var(--color-accent);
    box-shadow:
        0 0 0 3px rgba(255, 159, 67, 0.15),
        0 0 20px rgba(255, 159, 67, 0.12);
}

/* ==========================================================================
   Mobile Optimierungen
   ========================================================================== */

@media (max-width: 768px) {
    .theme-sommer .card::after {
        display: none;
    }

    .theme-sommer .btn-primary::before {
        display: none;
    }
}