/* ThinkQ Landing Page — Kid-Friendly Educational Game Theme */

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    --primary: #7C3AED;
    --primary-dark: #6D28D9;
    --primary-light: #A78BFA;
    --blue: #3B82F6;
    --blue-light: #93C5FD;
    --orange: #F59E0B;
    --orange-light: #FCD34D;
    --green: #10B981;
    --green-light: #6EE7B7;
    --pink: #EC4899;
    --pink-light: #F9A8D4;
    --red: #EF4444;

    --bg-main: #FEFCE8;
    --bg-section: #FFF7ED;
    --bg-colored: #F5F3FF;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FEFBF5;

    --text-primary: #1E1B4B;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;
    --text-on-primary: #FFFFFF;

    --border: #E5E7EB;
    --border-light: #F3F4F6;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(124, 58, 237, 0.1);
    --shadow-lg: 0 8px 30px rgba(124, 58, 237, 0.15);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 8px 25px rgba(124, 58, 237, 0.12);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

    --font-main: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Fredoka One', 'Nunito', cursive;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar {
    width: 10px;
    background: var(--bg-section);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 5px;
}

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

::selection {
    background: var(--primary);
    color: white;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.section {
    padding: 5rem 0;
}

.section-colored {
    background: var(--bg-colored);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
}

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

/* ============================================
   Skip Link (Accessibility)
   ============================================ */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    z-index: 10000;
    font-weight: 700;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 10px;
    color: white;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    background: rgba(254, 252, 232, 0.85);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    animation: slideDown 0.6s ease-out;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(254, 252, 232, 0.98);
    box-shadow: var(--shadow-md);
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
    transition: var(--bounce);
}

.nav-brand:hover {
    transform: scale(1.05);
    color: inherit;
}

.brand-brain {
    font-size: 1.8rem;
    line-height: 1;
}

.nav-brand .brand-name,
.footer .brand .brand-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    padding: 0.25rem 0;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-cta {
    background: var(--primary);
    color: var(--text-on-primary) !important;
    padding: 0.5rem 1.25rem !important;
    border-radius: var(--radius-full);
    font-weight: 700 !important;
    transition: var(--bounce) !important;
}

.nav-cta:hover {
    background: var(--primary-dark);
    color: var(--text-on-primary) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Language Switcher */
.lang-switcher {
    position: relative;
}

.lang-switcher-btn {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: none;
    border: 1px solid var(--border);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
    font-family: var(--font-main);
}

.lang-switcher-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.lang-arrow {
    font-size: 0.6rem;
    transition: var(--transition);
}

.lang-switcher.open .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    min-width: 140px;
    z-index: 100;
}

.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
}

.lang-option:hover {
    background: var(--bg-colored);
    color: var(--primary);
}

.lang-option.active {
    color: var(--primary);
    background: var(--bg-colored);
}

.lang-flag {
    font-size: 1.1rem;
}

.lang-code {
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.8rem;
}

/* Mobile Navigation */
.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-mobile-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    font-family: var(--font-main);
    border: none;
    cursor: pointer;
    transition: var(--bounce);
    text-decoration: none;
    line-height: 1.5;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--blue));
    color: var(--text-on-primary);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
    color: var(--text-on-primary);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--primary);
    border: 2px solid var(--primary-light);
}

.btn-secondary:hover {
    background: var(--bg-colored);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

.btn .arrow {
    transition: var(--transition);
}

.btn:hover .arrow {
    transform: translateX(3px);
}

.btn--sent {
    background: var(--green);
    pointer-events: none;
}

.btn--error {
    background: var(--red);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.bg-shapes {
    position: absolute;
    inset: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    animation: float 20s infinite ease-in-out;
}

.shape-circle {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: 10%;
    right: -5%;
    animation-delay: 0s;
}

.shape-triangle {
    width: 200px;
    height: 200px;
    background: var(--orange);
    top: 60%;
    left: -3%;
    animation-delay: -5s;
    border-radius: 30%;
}

.shape-square {
    width: 150px;
    height: 150px;
    background: var(--blue);
    bottom: 10%;
    right: 15%;
    animation-delay: -10s;
    border-radius: 20%;
}

.shape-star {
    width: 100px;
    height: 100px;
    background: var(--green);
    top: 20%;
    left: 20%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -30px) rotate(5deg); }
    50% { transform: translate(-15px, 20px) rotate(-3deg); }
    75% { transform: translate(25px, 15px) rotate(4deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 750px;
    margin: 0 auto;
}

.hero-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.hero-brain {
    font-size: 4rem;
    line-height: 1;
    animation: wiggle 3s infinite ease-in-out;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

.hero-logo-text {
    font-family: var(--font-display);
    font-size: 4.5rem;
    background: linear-gradient(135deg, var(--primary), var(--blue), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-tagline {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--orange);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.indicator-icon {
    font-size: 1.3rem;
}

/* ============================================
   Problem / Solution Cards
   ============================================ */
.problem-solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.ps-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
}

.ps-card--problem {
    background: #FEF2F2;
    border: 2px solid #FECACA;
}

.ps-card--solution {
    background: #F0FDF4;
    border: 2px solid #BBF7D0;
}

.ps-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.ps-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.ps-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Benefit Cards (Why section)
   ============================================ */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.benefit-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--bounce);
    box-shadow: var(--shadow-card);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--primary-light);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   Steps (How it works)
   ============================================ */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: var(--bounce);
    box-shadow: var(--shadow-card);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--blue));
    color: white;
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.step-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   Categories Grid
   ============================================ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
}

.cat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: var(--bounce);
    box-shadow: var(--shadow-card);
}

.cat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--primary-light);
}

.cat-icon {
    font-size: 2.2rem;
    margin-bottom: 0.75rem;
}

.cat-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 0.4rem;
    color: var(--primary);
}

.cat-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ============================================
   Smart Learning Grid
   ============================================ */
.smart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.smart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--bounce);
    box-shadow: var(--shadow-card);
}

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

.smart-card--highlight {
    border-color: var(--primary-light);
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.03), rgba(59, 130, 246, 0.03));
}

.smart-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.smart-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.smart-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   Parents Grid
   ============================================ */
.parents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.parent-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--bounce);
    box-shadow: var(--shadow-card);
}

.parent-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--green-light);
}

.parent-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.parent-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.parent-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   Badges / Achievements
   ============================================ */
.badges-tiers {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tier-label {
    padding: 0.4rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.85rem;
    font-family: var(--font-main);
}

.tier-common {
    background: #E5E7EB;
    color: #374151;
}

.tier-rare {
    background: #DBEAFE;
    color: #1E40AF;
}

.tier-epic {
    background: #EDE9FE;
    color: #6D28D9;
}

.tier-legendary {
    background: #FEF3C7;
    color: #92400E;
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.25rem;
}

.badge-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: var(--bounce);
}

.badge-card:hover {
    transform: translateY(-4px) rotate(1deg);
}

.badge-common {
    border-color: #D1D5DB;
}

.badge-common:hover {
    box-shadow: 0 4px 15px rgba(107, 114, 128, 0.15);
}

.badge-rare {
    border-color: #93C5FD;
}

.badge-rare:hover {
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.badge-epic {
    border-color: #C4B5FD;
}

.badge-epic:hover {
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.2);
}

.badge-legendary {
    border-color: #FCD34D;
    background: linear-gradient(135deg, #FFFBEB, #FEF3C7);
}

.badge-legendary:hover {
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.25);
}

.badge-icon-wrap {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.badge-card h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.badge-card p {
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.5;
}

/* ============================================
   Beta Form Section
   ============================================ */
/* ============================================
   Promises Section
   ============================================ */
.promises-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.promise-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

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

.promise-card--highlight {
    border-color: var(--green);
    background: linear-gradient(135deg, #ECFDF5, #F0FDF4);
}

.promise-card--highlight:hover {
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.2);
}

.promise-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.promise-card h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

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

/* ============================================
   Story Section
   ============================================ */
.story-wrap {
    max-width: 700px;
    margin: 0 auto;
}

.story-card {
    background: var(--bg-card);
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.story-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.story-text:last-of-type {
    margin-bottom: 1.5rem;
}

.story-signature {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    font-style: italic;
    padding-top: 1rem;
    border-top: 2px solid var(--border);
}

/* ============================================
   Beta Section
   ============================================ */
.beta-wrap {
    max-width: 500px;
    margin: 0 auto;
}

.beta-card {
    background: var(--bg-card);
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.beta-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.form-group input {
    padding: 0.85rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: var(--transition);
    background: var(--bg-main);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

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

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

.beta-platforms {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-weight: 600;
}

.form-success {
    text-align: center;
    padding: 2rem 0;
}

.form-success__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.form-success__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--green);
    margin-bottom: 0.5rem;
}

.form-success__text {
    color: var(--text-secondary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand .brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.footer .brand-brain {
    font-size: 1.5rem;
}

.footer .brand .brand-name {
    color: var(--primary-light);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-tagline {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 0.25rem;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    color: white;
    margin-bottom: 0.75rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-impressum {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-impressum p {
    margin-bottom: 0.25rem;
}

.footer-impressum strong {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Cookie Consent Banner
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.cookie-banner.cookie-active {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    background: var(--bg-card);
    border-top: 2px solid var(--primary-light);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.cookie-text strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.cookie-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.cookie-actions {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children for grids */
.benefits-grid .reveal:nth-child(2),
.steps-grid .reveal:nth-child(2),
.categories-grid .reveal:nth-child(2),
.smart-grid .reveal:nth-child(2),
.parents-grid .reveal:nth-child(2),
.badges-grid .reveal:nth-child(2) {
    transition-delay: 0.1s;
}

.benefits-grid .reveal:nth-child(3),
.steps-grid .reveal:nth-child(3),
.categories-grid .reveal:nth-child(3),
.smart-grid .reveal:nth-child(3),
.parents-grid .reveal:nth-child(3),
.badges-grid .reveal:nth-child(3) {
    transition-delay: 0.2s;
}

.benefits-grid .reveal:nth-child(4),
.steps-grid .reveal:nth-child(4),
.categories-grid .reveal:nth-child(4),
.smart-grid .reveal:nth-child(4),
.parents-grid .reveal:nth-child(4),
.badges-grid .reveal:nth-child(4) {
    transition-delay: 0.3s;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .section-header h2 {
        font-size: 2rem;
    }

    .promises-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-card);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 1rem;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-mobile-toggle {
        display: flex;
    }

    .hero-logo-text {
        font-size: 3rem;
    }

    .hero-brain {
        font-size: 3rem;
    }

    .hero-tagline {
        font-size: 1.35rem;
    }

    .hero {
        padding: 7rem 0 3rem;
        min-height: auto;
    }

    .section {
        padding: 3.5rem 0;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .problem-solution-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }

    .smart-grid,
    .parents-grid {
        grid-template-columns: 1fr;
    }

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

    .story-card {
        padding: 1.75rem;
    }

    .trust-indicators {
        gap: 1rem;
    }

    .indicator {
        font-size: 0.8rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
        padding: 1rem 1.25rem;
        gap: 1rem;
    }

    .beta-card {
        padding: 1.75rem;
    }
}

@media (max-width: 480px) {
    .hero-logo-text {
        font-size: 2.5rem;
    }

    .hero-brain {
        font-size: 2.5rem;
    }

    .hero-tagline {
        font-size: 1.15rem;
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .cat-card {
        padding: 1rem;
    }

    .cat-icon {
        font-size: 1.8rem;
    }

    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .badges-tiers {
        gap: 0.5rem;
    }

    .tier-label {
        font-size: 0.75rem;
        padding: 0.3rem 0.75rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .nav-cta {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}