/* ==========================================================================
   Anne Çemberi Landing Page Styles
   Design: Claymorphism + Warm Colors
   ========================================================================== */

/* Google Fonts - Petrona */
@import url('https://fonts.googleapis.com/css2?family=Petrona:wght@400;500;600;700&display=swap');

/* ==========================================================================
   CSS Variables - Design Tokens
   ========================================================================== */
:root {
    /* Anne Çemberi Color Palette */
    --bg-cream: #efe2d2;
    --primary-terracotta: #874A45;
    --accent-sage: #8F9E8B;
    --button-peach: #E8A17E;
    --white: #FFFFFF;
    --text-dark: #3D2B2A;
    --text-muted: #6B5856;
    --border-light: rgba(135, 74, 69, 0.1);

    /* Claymorphism Shadows */
    --clay-shadow:
        8px 8px 20px rgba(135, 74, 69, 0.15),
        -4px -4px 16px rgba(255, 255, 255, 0.7);
    --clay-shadow-hover:
        12px 12px 24px rgba(135, 74, 69, 0.18),
        -6px -6px 20px rgba(255, 255, 255, 0.8);
    --clay-shadow-inset:
        inset 4px 4px 8px rgba(135, 74, 69, 0.08),
        inset -2px -2px 6px rgba(255, 255, 255, 0.6);
    --clay-button-shadow:
        6px 6px 14px rgba(135, 74, 69, 0.2),
        -3px -3px 10px rgba(255, 255, 255, 0.5);

    /* Typography */
    --font-petrona: 'Petrona', Georgia, serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-pill: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-petrona);
    color: var(--text-dark);
    background-color: var(--bg-cream);
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--spacing-sm) 0;
    background: rgb(239, 226, 210);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-terracotta);
}

.login-text {
    display: none;
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    cursor: default;
    opacity: 0.6;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    max-width: 540px;
}

.hero-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--primary-terracotta);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   Form Card (Claymorphism)
   ========================================================================== */
.form-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--clay-shadow);
    position: relative;
    overflow: hidden;
}

.form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--button-peach), var(--primary-terracotta));
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-terracotta);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* ==========================================================================
   Form Elements
   ========================================================================== */
.lead-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--white);
    font-family: var(--font-petrona);
    font-size: 1rem;
    color: var(--text-dark);
    box-shadow: var(--clay-shadow-inset);
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-sage);
    box-shadow:
        0 0 0 4px rgba(143, 158, 139, 0.15),
        var(--clay-shadow-inset);
}

.form-input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

/* Select Inputs */
select.form-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B5856' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

select.form-input:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238F9E8B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

/* Month Year Select Container */
.month-year-select {
    display: flex;
    gap: var(--spacing-sm);
}

.month-year-select select {
    flex: 1;
}

/* Radio Group */
.radio-group-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-option {
    cursor: pointer;
}

.radio-option input[type="radio"] {
    display: none;
}

.radio-pill {
    display: block;
    padding: 0.875rem 1rem;
    text-align: center;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--white);
    transition: all 0.3s ease;
    box-shadow: var(--clay-shadow-inset);
    line-height: 1.4;
}

.radio-option input[type="radio"]:checked + .radio-pill {
    background: var(--button-peach);
    color: var(--primary-terracotta);
    border-color: var(--button-peach);
    box-shadow: var(--clay-button-shadow);
}

.radio-pill:hover {
    border-color: var(--accent-sage);
}

/* ==========================================================================
   Buttons (Claymorphism)
   ========================================================================== */
.btn-primary {
    width: 100%;
    background: var(--button-peach);
    color: var(--primary-terracotta);
    border: none;
    padding: 1.125rem 2rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-petrona);
    font-weight: 600;
    font-size: 1.125rem;
    cursor: pointer;
    box-shadow: var(--clay-button-shadow);
    transition: all 0.3s ease;
    margin-top: var(--spacing-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow:
        8px 8px 20px rgba(135, 74, 69, 0.25),
        -4px -4px 14px rgba(255, 255, 255, 0.6);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--clay-shadow-inset);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ==========================================================================
   Privacy Note
   ========================================================================== */
.privacy-note {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: var(--spacing-sm);
    opacity: 0.8;
}

/* ==========================================================================
   Success Message
   ========================================================================== */
.success-message {
    text-align: center;
    padding: var(--spacing-lg);
}

.success-message.hidden {
    display: none;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: var(--accent-sage);
    color: var(--white);
    font-size: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--clay-shadow);
}

.success-message h3 {
    font-size: 1.5rem;
    color: var(--primary-terracotta);
    margin-bottom: var(--spacing-sm);
}

.success-message p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   Form Error
   ========================================================================== */
.form-error {
    background: #FEE2E2;
    color: #991B1B;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    text-align: center;
    display: none;
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features {
    padding: var(--spacing-xxl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--clay-shadow);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--clay-shadow-hover);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--button-peach), var(--text-dark));
    border-radius: var(--radius-md);
    box-shadow: var(--clay-button-shadow);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--white);
    stroke-width: 2;
    fill: none;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-terracotta);
    margin-bottom: var(--spacing-sm);
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-light);
}

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

.copyright {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.instagram-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-terracotta);
    font-weight: 500;
    transition: all 0.3s ease;
}

.instagram-link:hover {
    color: var(--button-peach);
}

.instagram-link svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Başvuru Page Specific
   ========================================================================== */
.basvuru-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.basvuru-page .header {
    position: relative;
    background: transparent;
    backdrop-filter: none;
}

.basvuru-main {
    flex: 1;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0;
}

.basvuru-content {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.basvuru-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--primary-terracotta);
    margin-bottom: var(--spacing-sm);
}

.basvuru-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.form-card-large {
    text-align: left;
}

.footer-minimal {
    background: transparent;
    border-top: none;
    padding: var(--spacing-md) 0;
}

.footer-minimal .footer-content {
    justify-content: center;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .form-card {
        max-width: 480px;
        margin: 0 auto;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .hero {
        padding-top: calc(70px + var(--spacing-lg));
    }

    .hero-title {
        font-size: 1.75rem;
    }

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

    .form-card {
        padding: var(--spacing-md);
    }

    .month-year-select {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .logo {
        width: 40px;
        height: 40px;
    }

    .logo-text {
        font-size: 1.125rem;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.form-card {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }

/* ==========================================================================
   Loading State
   ========================================================================== */
.btn-primary.loading {
    position: relative;
    color: transparent;
}

.btn-primary.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid var(--primary-terracotta);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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