/* ============================================
   Jülis Sanat Akademi — Coming Soon Landing Page
   Theme: #014F4B Deep Teal
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #014F4B;
    --primary-light: #027068;
    --primary-dark: #013D3A;
    --primary-glow: rgba(1, 79, 75, 0.3);
    --accent: #C8A96E;
    --accent-light: #DBBF8A;
    --accent-dark: #A88B51;
    --bg-dark: #0A0F0F;
    --bg-card: #111919;
    --bg-card-hover: #162222;
    --bg-input: #0E1616;
    --border: rgba(1, 79, 75, 0.25);
    --border-light: rgba(200, 169, 110, 0.15);
    --text-primary: #F0F5F5;
    --text-secondary: #9AADAB;
    --text-muted: #5E7573;
    --white: #FFFFFF;
    --success: #10B981;
    --error: #EF4444;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(1, 79, 75, 0.15);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ---------- Particle Canvas ---------- */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ---------- Container ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Navigation ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 15, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--white);
}

.logo-img {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.logo-accent {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
    border-radius: 1px;
}

.nav-link:hover {
    color: var(--white);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--primary-glow);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 15, 15, 0.98);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-link {
    color: var(--white);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.75rem;
    transition: var(--transition);
}

.mobile-link:hover {
    color: var(--accent);
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-image: url('assets/images/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            rgba(10, 15, 15, 0.7) 0%,
            rgba(10, 15, 15, 0.5) 40%,
            rgba(10, 15, 15, 0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 24px 80px;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(1, 79, 75, 0.2);
    border: 1px solid var(--border);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(200, 169, 110, 0.4);
    }

    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 8px rgba(200, 169, 110, 0);
    }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--white);
}

.title-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    box-shadow: 0 4px 24px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(1, 79, 75, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1rem;
}

/* ---------- Scroll Indicator ---------- */
.hero-scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 13px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-anim 2s infinite;
}

@keyframes scroll-anim {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(16px);
    }
}

/* ---------- Section Common ---------- */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 16px;
    padding: 6px 16px;
    background: rgba(200, 169, 110, 0.1);
    border: 1px solid rgba(200, 169, 110, 0.15);
    border-radius: 50px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--white);
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---------- Courses Section ---------- */
.courses {
    position: relative;
    z-index: 1;
    padding: 120px 0;
}

.courses::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--border));
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.course-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: default;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.course-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(1, 79, 75, 0.2), rgba(1, 79, 75, 0.05));
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.card-icon svg {
    width: 28px;
    height: 28px;
    color: var(--accent);
    transition: var(--transition);
}

.course-card:hover .card-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-color: transparent;
    box-shadow: 0 0 24px var(--primary-glow);
}

.course-card:hover .card-icon svg {
    color: var(--white);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--white);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 20px;
}

.card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    background: rgba(200, 169, 110, 0.1);
    padding: 4px 12px;
    border-radius: 50px;
    border: 1px solid rgba(200, 169, 110, 0.12);
}

/* ---------- Form Section ---------- */
.form-section {
    position: relative;
    z-index: 1;
    padding: 120px 0;
}

.form-section::before {
    content: '';
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(1, 79, 75, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.form-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.form-info-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
}

.form-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(1, 79, 75, 0.15);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 18px;
    height: 18px;
    color: var(--accent);
}

.feature-item span {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Form Card */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.form-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, rgba(1, 79, 75, 0.4), transparent 50%, rgba(200, 169, 110, 0.15));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.form-group {
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.optional {
    color: var(--text-muted);
    font-weight: 400;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-input.error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-error {
    display: block;
    font-size: 0.8rem;
    color: var(--error);
    margin-top: 6px;
    min-height: 18px;
}

/* Checkbox Grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 4px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.checkbox-item:hover {
    border-color: var(--primary-light);
    background: rgba(1, 79, 75, 0.08);
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-muted);
    border-radius: 5px;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}

.checkbox-custom::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 5px;
    width: 6px;
    height: 10px;
    border: solid var(--white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: var(--transition);
}

.checkbox-item input:checked+.checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-item input:checked+.checkbox-custom::after {
    transform: rotate(45deg) scale(1);
}

.checkbox-item input:checked~.checkbox-label {
    color: var(--white);
}

.checkbox-label {
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: var(--transition);
    user-select: none;
}

/* Submit Button Loader */
.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Success Message */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    color: var(--success);
    margin-bottom: 20px;
}

.success-icon svg {
    animation: success-check 0.6s ease-out;
}

@keyframes success-check {
    0% {
        transform: scale(0) rotate(-45deg);
        opacity: 0;
    }

    50% {
        transform: scale(1.2) rotate(0deg);
    }

    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.form-success h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 12px;
}

.form-success p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ---------- Footer ---------- */
.footer {
    position: relative;
    z-index: 1;
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: contain;
}

.footer-brand-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--white);
}

.footer-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ---------- Animations ---------- */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.15s;
}

.delay-2 {
    animation-delay: 0.3s;
}

.delay-3 {
    animation-delay: 0.45s;
}

.delay-4 {
    animation-delay: 0.7s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .form-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .form-info {
        text-align: center;
    }

    .form-features {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero-content {
        padding: 100px 16px 60px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        margin-bottom: 40px;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .courses {
        padding: 80px 0;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .form-section {
        padding: 80px 0;
    }

    .form-card {
        padding: 28px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        margin-bottom: 40px;
    }

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

    .hero-scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .course-card {
        padding: 28px 22px;
    }
}

/* ---------- Selection ---------- */
::selection {
    background: rgba(1, 79, 75, 0.4);
    color: var(--white);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ---------- Mobile Sticky CTA ---------- */
.mobile-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 998;
    padding: 12px 16px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    background: rgba(10, 15, 15, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-sticky-cta.visible {
    transform: translateY(0);
}

.mobile-sticky-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 20px var(--primary-glow);
    transition: var(--transition);
}

.mobile-sticky-btn:active {
    transform: scale(0.98);
}

@media (max-width: 768px) {
    .mobile-sticky-cta {
        display: block;
    }

    /* Footer'ın sticky bar altında kalmaması için padding */
    .footer {
        padding-bottom: 80px;
    }
}