/* PREMIUM DESIGN SYSTEM & STYLES FOR MEHMET DMD SUPPORT SITE */

/* --- ROOT VARIABLES --- */
:root {
    /* Color Palette */
    --primary-h: 210;
    --primary-s: 100%;
    --primary-l: 50%;
    --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
    --primary-light: hsl(var(--primary-h), var(--primary-s), 96%);
    --primary-dark: hsl(var(--primary-h), var(--primary-s), 30%);

    --success-h: 145;
    --success-s: 63%;
    --success-l: 42%;
    --success: hsl(var(--success-h), var(--success-s), var(--success-l));
    --success-light: hsl(var(--success-h), var(--success-s), 95%);

    --accent-h: 28;
    --accent-s: 100%;
    --accent-l: 55%;
    --accent: hsl(var(--accent-h), var(--accent-s), var(--accent-l));
    --accent-dark: hsl(var(--accent-h), var(--accent-s), 45%);

    --text-main: #1E272E;
    --text-muted: #57606F;
    --bg-main: #F4F6F9;
    --bg-card: #FFFFFF;
    
    /* Font Families */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Shadow & Border Radius System */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 20px -3px rgba(18, 38, 63, 0.08), 0 4px 8px -2px rgba(18, 38, 63, 0.04);
    --shadow-lg: 0 20px 35px -5px rgba(18, 38, 63, 0.12), 0 10px 15px -5px rgba(18, 38, 63, 0.06);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Spacing & Widths */
    --container-width: 1200px;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- ANIMATED BACKGROUND BLOBS --- */
.bg-blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.blob-1 {
    top: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background-color: var(--primary);
    animation: floatBlob 25s ease-in-out infinite;
}

.blob-2 {
    bottom: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background-color: var(--accent);
    animation: floatBlob 30s ease-in-out infinite alternate;
}

.blob-3 {
    top: 40%;
    left: 40%;
    width: 400px;
    height: 400px;
    background-color: var(--success);
    animation: floatBlob 20s ease-in-out infinite 2s;
}

@keyframes floatBlob {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -50px) scale(1.1); }
    66% { transform: translate(-30px, 40px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

/* --- SCROLL REVEAL ANIMATIONS --- */
.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- BASE & RESET STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-main);
    line-height: 1.2;
}

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

/* --- COMPONENT CARDS --- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(26, 140, 255, 0.2);
}

/* --- BADGES & BUTTONS --- */
.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    border: 1px solid rgba(26, 140, 255, 0.15);
    letter-spacing: 0.02em;
}

.badge-accent {
    background-color: hsl(var(--accent-h), var(--accent-s), 95%);
    color: var(--accent-dark);
    border-color: rgba(255, 159, 67, 0.15);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 4px 14px rgba(255, 159, 67, 0.4);
}

.btn-primary:hover {
    background-color: var(--accent-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 22px rgba(255, 159, 67, 0.5);
}

.btn-secondary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(26, 140, 255, 0.3);
}

.btn-secondary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 22px rgba(26, 140, 255, 0.4);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    transition: var(--transition-smooth);
}

.btn:hover .btn-icon {
    transform: translateX(6px);
}

/* --- NAVIGATION BAR --- */
.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
}

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

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.01em;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--primary);
    background-color: var(--primary-light);
}

.btn-nav-primary {
    background-color: var(--accent);
    color: white !important;
}

.btn-nav-primary:hover {
    background-color: var(--accent-dark);
}

.btn-nav-secondary {
    background-color: var(--primary-light);
    color: var(--primary) !important;
}

.btn-nav-secondary:hover {
    background-color: var(--primary);
    color: white !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
}

/* --- HERO SECTION --- */
.hero-section {
    padding: 90px 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.animate-title {
    animation: slideIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.highlight {
    background: linear-gradient(120deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-glow-ring {
    position: absolute;
    width: 104%;
    height: 104%;
    border-radius: var(--radius-lg);
    background: linear-gradient(45deg, var(--primary), var(--accent), var(--success));
    background-size: 200% 200%;
    z-index: 0;
    animation: rotateGradient 6s linear infinite;
    opacity: 0.8;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.hero-image-wrapper:hover .hero-image {
    transform: scale(1.04);
}

.floating-badge {
    position: absolute;
    bottom: -15px;
    left: -20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.8);
    animation: float 5s ease-in-out infinite;
    z-index: 2;
}

.icon-circle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: hsl(var(--accent-h), var(--accent-s), 95%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.floating-badge strong {
    font-family: var(--font-heading);
    font-weight: 700;
    display: block;
    font-size: 0.95rem;
}

.floating-badge p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

@keyframes rotateGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* --- SECTION HEADER --- */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px auto;
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* --- STORY SECTION --- */
.story-section {
    padding: 90px 0;
    background-color: rgba(255, 255, 255, 0.4);
}

.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.story-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.card-icon-wrapper.blue {
    background-color: var(--primary-light);
    color: var(--primary);
}

.card-icon-wrapper.green {
    background-color: var(--success-light);
    color: var(--success);
}

.story-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.story-text {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.story-text:last-of-type {
    margin-bottom: 0;
}

/* --- NEEDS SECTION --- */
.needs-section {
    padding: 90px 0;
}

.needs-info-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-align: center;
}

.section-desc {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.15rem;
    text-align: center;
}

.needs-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.needs-list li {
    display: flex;
    gap: 20px;
    background: white;
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.02);
    transition: var(--transition-smooth);
}

.needs-list li:hover {
    transform: translateX(6px);
    border-color: rgba(26, 140, 255, 0.15);
}

.list-bullet {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: var(--success-light);
    color: var(--success);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.needs-list strong {
    font-family: var(--font-heading);
    display: block;
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 4px;
}

.needs-list p {
    color: var(--text-muted);
}

/* --- PREMIUM SMS CARDS --- */
.premium-sms-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: 28px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.premium-sms-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.sms-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.operator-logo {
    flex-shrink: 0;
}

.sms-price-tag {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: white;
    background-color: #2c3e50;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
}

/* Theme overrides for SMS cards */
.tt-theme .sms-price-tag { background-color: #005C97; }
.tc-theme .sms-price-tag { background-color: #004B93; }
.vf-theme .sms-price-tag { background-color: #E60000; }

.sms-explanation {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.sms-send-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background-color: var(--bg-main);
    border: 1px dashed rgba(0, 0, 0, 0.1);
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.sms-msg {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--primary);
    letter-spacing: 0.05em;
}

.tt-theme .sms-msg { color: #005C97; }
.tc-theme .sms-msg { color: #004B93; }
.vf-theme .sms-msg { color: #E60000; }

.sms-arrow {
    color: var(--text-muted);
    font-weight: 800;
}

.sms-num {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--accent);
}

.btn-sms-send {
    display: block;
    width: 100%;
    text-align: center;
    padding: 12px;
    background-color: #2c3e50;
    color: white;
    font-family: var(--font-heading);
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.tt-theme .btn-sms-send { background-color: #005C97; }
.tt-theme .btn-sms-send:hover { background-color: #363795; }

.tc-theme .btn-sms-send { background-color: #004B93; }
.tc-theme .btn-sms-send:hover { background-color: #FFC900; color: #004B93; }

.vf-theme .btn-sms-send { background-color: #E60000; }
.vf-theme .btn-sms-send:hover { background-color: #c10000; }

/* --- DONATION SECTION --- */
.donation-section {
    padding: 90px 0;
    background-color: white;
}

.donation-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
}

.donation-card h3, .column-subtitle {
    font-size: 1.5rem;
    margin-bottom: 24px;
    font-family: var(--font-heading);
    font-weight: 700;
}

.bank-warning {
    background-color: hsl(var(--accent-h), var(--accent-s), 96%);
    border-left: 4px solid var(--accent);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    color: var(--accent-dark);
    margin-bottom: 32px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.bank-cards-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* --- CREDIT CARD DISPLAY --- */
.credit-card-container {
    position: relative;
    width: 100%;
    height: 220px;
    border-radius: var(--radius-lg);
    padding: 24px;
    color: white;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background-size: 200% 200%;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.credit-card-container:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-lg);
}

.card-glass-shine {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 50%, rgba(255,255,255,0.05) 100%);
    z-index: 1;
    pointer-events: none;
}

/* Bank gradient themes */
.ziraat-card-theme {
    background: linear-gradient(135deg, #A80005 0%, #E21E26 60%, #FF6B6B 100%);
}
.ziraat-card-theme:hover {
    box-shadow: 0 20px 35px rgba(226, 30, 38, 0.25);
}

.usd-card-theme {
    background: linear-gradient(135deg, #0A5E2A 0%, #108A41 60%, #46E881 100%);
}
.usd-card-theme:hover {
    box-shadow: 0 20px 35px rgba(16, 138, 65, 0.25);
}

.eur-card-theme {
    background: linear-gradient(135deg, #1C3F95 0%, #2A5BD4 60%, #76A5FF 100%);
}
.eur-card-theme:hover {
    box-shadow: 0 20px 35px rgba(42, 91, 212, 0.25);
}

.card-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 2;
}

.card-bank-logo {
    display: flex;
    align-items: center;
}

.card-type {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    background-color: rgba(255, 255, 255, 0.15);
    padding: 3px 8px;
    border-radius: 4px;
}

.card-chip-row {
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 2;
}

.card-chip {
    flex-shrink: 0;
}

.card-wifi {
    opacity: 0.8;
}

.card-number-row {
    z-index: 2;
    margin: 12px 0;
}

.card-number-row code {
    font-family: monospace;
    font-size: clamp(0.95rem, 2.5vw, 1.45rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.card-holder-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    z-index: 2;
}

.holder-name {
    display: flex;
    flex-direction: column;
}

.card-label {
    font-size: 0.65rem;
    opacity: 0.7;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.card-value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.2);
}

.btn-card-copy {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-card-copy:hover {
    background-color: white;
    color: var(--text-main);
    transform: translateY(-1px);
}

/* --- QR & SHARE CARD --- */
.qr-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.qr-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.qr-container {
    display: flex;
    justify-content: center;
    margin-bottom: 28px;
}

.simulated-qr {
    background-color: white;
    padding: 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition-smooth);
}

.simulated-qr:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-md);
}

.qr-label {
    margin-top: 8px;
    font-size: 0.8rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-muted);
}

.social-share-section {
    width: 100%;
}

.social-share-section h4 {
    font-size: 1.05rem;
    margin-bottom: 12px;
    color: var(--text-main);
}

.share-buttons {
    display: flex;
    gap: 12px;
    width: 100%;
}

.btn-share {
    flex: 1;
    border: none;
    padding: 10px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
    color: white;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-share.wa {
    background-color: #25D366;
}

.btn-share.wa:hover {
    background-color: #1EBE57;
    transform: translateY(-2px);
}

.btn-share.tw {
    background-color: #000000;
}

.btn-share.tw:hover {
    background-color: #222222;
    transform: translateY(-2px);
}

/* --- OFFICIAL DOCUMENTS PREVIEW --- */
.document-preview-frame {
    position: relative;
    height: 220px;
    overflow: hidden;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.doc-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(80%);
    transition: var(--transition-smooth);
}

.document-card:hover .doc-img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.doc-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(26, 37, 48, 0.4);
    opacity: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    z-index: 2;
}

.document-card:hover .doc-overlay {
    opacity: 1;
}

.doc-overlay-icon {
    font-size: 2.25rem;
    margin-bottom: 8px;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.document-card:hover .doc-overlay-icon {
    transform: translateY(0);
}

.doc-overlay-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- GUESTBOOK SECTION --- */
.guestbook-section {
    padding: 90px 0;
}

.guestbook-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 32px;
}

.guestbook-form-card h3, .guestbook-list-card h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-smooth);
    background-color: var(--bg-main);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(26, 140, 255, 0.15);
}

textarea.form-input {
    resize: vertical;
}

/* --- GUESTBOOK FEED MESSAGES --- */
.messages-container {
    max-height: 520px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-right: 8px;
}

.messages-container::-webkit-scrollbar {
    width: 6px;
}

.messages-container::-webkit-scrollbar-track {
    background: transparent;
}

.messages-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-full);
}

.no-messages {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 0;
    font-style: italic;
}

.message-item {
    background-color: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    gap: 16px;
    border-left: 5px solid var(--primary);
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.message-item:nth-child(even) {
    border-left-color: var(--accent);
}

/* Custom Message Avatar */
.message-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
}

.message-item:nth-child(even) .message-avatar {
    background: linear-gradient(135deg, var(--accent) 0%, var(--success) 100%);
}

.message-content-wrapper {
    flex-grow: 1;
}

.message-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 8px;
}

.message-author {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-main);
}

.message-location {
    color: var(--text-muted);
    font-style: italic;
    margin-left: 4px;
}

.message-text {
    font-size: 0.95rem;
    color: var(--text-main);
    white-space: pre-wrap;
    word-break: break-word;
}

/* --- CONTACT DETAILS SECTION --- */
.card-contact-interactive {
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.card-contact-interactive:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.btn-tel-link {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-smooth);
    margin-top: 8px;
}

.btn-tel-link:hover {
    color: var(--accent);
    transform: scale(1.03);
}

/* --- FOOTER SECTION --- */
.footer {
    background-color: #1A2229;
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 32px 0;
}

.footer h3 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    margin-bottom: 56px;
}

.footer-info p {
    font-size: 1rem;
    line-height: 1.7;
}

.update-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.timeline-item {
    position: relative;
    padding-left: 24px;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -6px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent);
    border: 2px solid #1A2229;
}

.timeline-date {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 4px;
}

.timeline-item p {
    font-size: 0.9rem;
    line-height: 1.5;
}

.footer-divider {
    border: 0;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin-bottom: 32px;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.legal-badge {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 18px 24px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    max-width: 850px;
    text-align: left;
}

.badge-icon {
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.legal-badge span {
    font-size: 0.85rem;
    line-height: 1.6;
}

.copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* --- SCROLL-TO-TOP BUTTON --- */
.scroll-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    border: none;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.scroll-to-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* --- IMAGE MODAL VIEWER SYSTEM --- */
.image-viewer-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 80px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(26, 37, 48, 0.95);
    backdrop-filter: blur(8px);
    transition: var(--transition-smooth);
}

.modal-image-content {
    margin: auto;
    display: block;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 4px solid white;
    animation: modalZoomIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-close-btn {
    position: absolute;
    top: 24px;
    right: 32px;
    color: white;
    font-size: 3rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-smooth);
    line-height: 1;
}

.modal-close-btn:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

.modal-image-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 600px;
    text-align: center;
    color: white;
    padding: 16px 0;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
}

/* --- DOCUMENT CARD HOVER EFFECTS --- */
.document-card {
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.document-card:hover {
    transform: translateY(-8px) scale(1.02) !important;
    border-color: var(--primary) !important;
    box-shadow: var(--shadow-lg) !important;
}

@keyframes modalZoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* --- KEYFRAME ANIMATIONS --- */
@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 56px;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image-wrapper {
        transform: rotate(0deg);
    }
    
    .floating-badge {
        left: 50%;
        transform: translateX(-50%);
        bottom: -25px;
    }

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 12px 0;
    }

    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: var(--shadow-md);
        display: none;
        opacity: 0;
        transform: translateY(-8px);
        transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .nav-menu.active {
        display: flex;
        opacity: 1;
        transform: translateY(0);
    }

    .nav-link {
        width: 100%;
        text-align: center;
    }

    .modal-image-content {
        width: 95%;
        max-height: 70vh;
    }

    .modal-close-btn {
        top: 16px;
        right: 20px;
        font-size: 2.5rem;
    }

    .credit-card-container {
        height: 200px;
        padding: 18px;
    }
}