/* ===================================================
   LINGODEMIA IELTS COACHING - Main Stylesheet
   =================================================== */

/* ===================== CSS VARIABLES ===================== */
:root {
    --brand-primary: #333366;
    --brand-primary-light: #4d4d99;
    --brand-primary-dark: #1a1a33;
    --brand-secondary: #6366f1;
    --accent: #8b5cf6;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: 0.3s ease;
}

/* ===================== RESET & BASE ===================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--brand-secondary);
}

ul, ol {
    list-style: none;
}

/* ===================== ACCESSIBILITY ===================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--brand-primary);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    z-index: 10000;
    font-weight: 600;
    transition: top 0.3s ease;
}

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

*:focus-visible {
    outline: 3px solid var(--brand-secondary);
    outline-offset: 2px;
}

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

/* ===================== TYPOGRAPHY ===================== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

h1 {
    font-size: 48px;
    font-weight: 700;
}

h2 {
    font-size: 36px;
    font-weight: 600;
}

h3 {
    font-size: 24px;
    font-weight: 600;
}

.section-title {
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.section-title--light {
    color: var(--bg-white);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 48px;
}

.section-subtitle--light {
    color: rgba(255, 255, 255, 0.85);
}

.section-header {
    margin-bottom: 48px;
}

/* ===================== BUTTONS ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 28px;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn:focus-visible {
    outline: 3px solid var(--brand-secondary);
    outline-offset: 2px;
}

.btn--primary {
    background-color: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
}

.btn--primary:hover {
    background-color: var(--brand-primary-light);
    border-color: var(--brand-primary-light);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background-color: transparent;
    color: var(--brand-primary);
    border-color: var(--brand-primary);
}

.btn--outline:hover {
    background-color: var(--brand-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--lg {
    padding: 16px 36px;
    font-size: 17px;
}

.btn--submit {
    min-width: 240px;
}

.btn--submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn--submit:disabled:hover {
    transform: none;
    box-shadow: none;
}

.btn--submit.loading .btn__text {
    visibility: hidden;
}

.btn--submit.loading .btn__spinner {
    display: flex;
}

.btn__spinner {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: spin 1s linear infinite;
}

/* ===================== NAVIGATION ===================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: var(--bg-white);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: box-shadow var(--transition);
}

.nav.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav__logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.nav__logo-img {
    height: 50px;
    width: auto;
}

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

.nav__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 4px;
    position: relative;
    transition: color var(--transition);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--brand-primary);
    transition: width var(--transition);
}

.nav__link:hover {
    color: var(--brand-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__cta {
    font-size: 14px;
    padding: 10px 20px;
}

.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1002;
}

.nav__hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    transition: all var(--transition);
    border-radius: 2px;
}

.nav__hamburger.active .nav__hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.active .nav__hamburger-line:nth-child(2) {
    opacity: 0;
}

.nav__hamburger.active .nav__hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition);
    z-index: 999;
}

.nav__mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
}

.nav__mobile-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav__mobile-link {
    display: block;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    border-radius: var(--radius-md);
    transition: background-color var(--transition);
}

.nav__mobile-link:hover {
    background-color: var(--bg-light);
    color: var(--brand-primary);
}

.nav__mobile-cta {
    margin-top: 8px;
    text-align: center;
    width: 100%;
}

/* ===================== HERO SECTION ===================== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f8f9ff 0%, #eef0ff 50%, #f0ecff 100%);
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__title {
    font-size: 48px;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--brand-primary-dark);
}

.hero__subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 36px;
    max-width: 540px;
}

.hero__cta-group {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

/* Trust Badges */
.hero__badges {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.badge:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.badge__icon {
    color: var(--brand-primary);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.badge__text {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dark);
    white-space: nowrap;
}

/* Hero Visual */
.hero__image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
}

.hero__gradient-bg {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--accent) 50%, var(--brand-secondary) 100%);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero__gradient-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero__floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-white);
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    z-index: 2;
    animation: float 3s ease-in-out infinite;
}

.hero__floating-icon {
    font-size: 20px;
}

.hero__floating-card--1 {
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.hero__floating-card--2 {
    top: 50%;
    right: 8%;
    animation-delay: 1s;
}

.hero__floating-card--3 {
    bottom: 15%;
    left: 15%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ===================== HOW IT WORKS ===================== */
.process {
    padding: 100px 0;
    background: var(--bg-white);
}

.process__steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.process__step {
    flex: 1;
    max-width: 260px;
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition);
    position: relative;
}

.process__step:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--brand-primary-light);
}

.process__step-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-primary);
    color: white;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.process__step-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(51, 51, 102, 0.08), rgba(99, 102, 241, 0.08));
    border-radius: 50%;
    margin: 0 auto 16px;
    color: var(--brand-primary);
}

.process__step-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.process__step-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.process__connector {
    display: flex;
    align-items: center;
    padding-top: 80px;
    flex-shrink: 0;
    width: 40px;
}

/* ===================== PROGRAM DETAILS ===================== */
.program {
    padding: 100px 0;
    background: var(--bg-light);
}

.program__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.program__column-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--brand-primary-dark);
}

.program__includes {
    background: var(--bg-white);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

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

.program__check-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-dark);
}

.program__check-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.program__benefits {
    background: var(--bg-white);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.program__benefit-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.program__benefit-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(51, 51, 102, 0.03), rgba(99, 102, 241, 0.03));
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    transition: all var(--transition);
}

.program__benefit-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
    border-color: var(--brand-primary-light);
}

.program__benefit-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-white);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

/* ===================== TARGET AUDIENCE ===================== */
.audience {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.audience__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.audience__card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 24px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.audience__card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--success);
}

.audience__card-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
}

.audience__card p {
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-dark);
    font-weight: 500;
}

/* ===================== INSTRUCTOR SECTION ===================== */
.instructor {
    padding: 100px 0;
    background: var(--bg-white);
}

.instructor__name-highlight {
    color: var(--brand-primary);
}

.instructor__subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
    margin-top: 8px;
}

.instructor__grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 48px;
    align-items: start;
    max-width: 900px;
    margin: 0 auto;
}

.instructor__profile-card {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--accent) 100%);
    border-radius: var(--radius-xl);
    padding: 48px 32px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    position: static;
    
}

.instructor__profile-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
}

.instructor__profile-name {
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
}

.instructor__profile-title {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 24px;
}

.instructor__profile-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: white;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
}

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

.instructor__card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.instructor__card:hover {
    box-shadow: var(--shadow-md);
}

.instructor__card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.instructor__card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.instructor__card-icon--teal {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.instructor__card-icon--purple {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent);
}

.instructor__card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.instructor__card-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
}

.instructor__card-text strong {
    color: var(--text-dark);
    font-weight: 600;
}

.instructor__linkedin-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    align-self: flex-start;
}

/* ===================== CALENDLY BOOKING ===================== */
.booking {
    padding: 100px 0;
    background: var(--bg-white);
}

.booking__widget {
    max-width: 900px;
    margin: 0 auto;
    min-height: 700px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.booking__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 700px;
}

.booking__placeholder-content {
    text-align: center;
    color: var(--text-light);
}

.booking__placeholder-content svg {
    margin: 0 auto 16px;
}

.booking__placeholder-content p {
    font-size: 16px;
}

.booking__notes {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.booking__note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
}

/* ===================== PRACTICE TEST FORM ===================== */
.practice-test {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%);
    position: relative;
}

.practice-test::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.practice-test__form-wrapper {
    max-width: 720px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group--full {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.required {
    color: var(--error);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    color: var(--text-dark);
    background: var(--bg-light);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--brand-primary);
    background: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(51, 51, 102, 0.1);
}

.form-input.valid,
.form-select.valid {
    border-color: var(--success);
}

.form-input.invalid,
.form-select.invalid {
    border-color: var(--error);
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

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

.form-error {
    font-size: 12px;
    color: var(--error);
    margin-top: 4px;
    min-height: 18px;
    display: block;
}

/* KVKK Checkbox */
.form-group--checkbox {
    margin-top: 8px;
}

.form-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    line-height: 1.5;
}

.form-checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.form-checkbox-custom {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    margin-top: 2px;
    position: relative;
}

.form-checkbox-custom::after {
    content: '';
    width: 10px;
    height: 6px;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(-45deg);
    opacity: 0;
    transition: opacity 0.2s ease;
    position: absolute;
    top: 3px;
}

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

.form-checkbox:checked + .form-checkbox-custom::after {
    opacity: 1;
}

.form-checkbox:focus-visible + .form-checkbox-custom {
    outline: 3px solid var(--brand-secondary);
    outline-offset: 2px;
}

.form-checkbox-text {
    font-size: 14px;
    color: var(--text-light);
}

.form-checkbox-text a {
    color: var(--brand-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.form-checkbox-text a:hover {
    color: var(--brand-secondary);
}

/* Form Submit */
.form-group--submit {
    margin-top: 24px;
    display: flex;
    justify-content: center;
}

/* Success Message */
.practice-test__success {
    text-align: center;
    padding: 48px 24px;
}

.practice-test__success-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.practice-test__success-inner h3 {
    font-size: 28px;
    color: var(--success);
}

.practice-test__success-inner p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 400px;
}

/* ===================== FAQ ===================== */
.faq {
    padding: 100px 0;
    background: var(--bg-light);
}

.faq__list {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition);
}

.faq__item:hover {
    border-color: var(--brand-primary-light);
}

.faq__item.active {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-md);
}

.faq__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
    transition: color var(--transition);
}

.faq__question:hover {
    color: var(--brand-primary);
}

.faq__icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--brand-primary);
}

.faq__item.active .faq__icon {
    transform: rotate(45deg);
}

.faq__item.active .faq__question {
    color: var(--brand-primary);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq__item.active .faq__answer {
    max-height: 300px;
}

.faq__answer p {
    padding: 0 24px 20px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
}

.faq__cta {
    max-width: 720px;
    margin: 24px auto 0;
    text-align: center;
}

.faq__cta-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    font-weight: 600;
    color: var(--brand-primary);
    transition: color var(--transition);
}

.faq__cta-link:hover {
    color: var(--brand-secondary);
}

/* ===================== TESTIMONIALS ===================== */
.testimonials {
    padding: 100px 0;
    background: var(--bg-white);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    position: relative;
}

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

.testimonial-card__quote {
    margin-bottom: 8px;
}

.testimonial-card__stars {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
}

.testimonial-card__text {
    font-size: 15px;
    font-style: italic;
    line-height: 1.7;
    color: var(--text-dark);
    margin-bottom: 24px;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.testimonial-card__name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    display: block;
}

.testimonial-card__score {
    font-size: 13px;
    color: var(--success);
    font-weight: 600;
}

/* ===================== FOOTER ===================== */
.footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border);
}

.footer__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    gap: 24px;
}

.footer__brand {
    flex-shrink: 0;
}

.footer__logo {
    display: flex;
    align-items: center;
}

.footer__logo-img {
    height: 45px;
    width: auto;
}

.footer__links {
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer__link {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
    transition: color var(--transition);
    white-space: nowrap;
}

.footer__link:hover {
    color: var(--brand-secondary);
}

.footer__social {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.footer__social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--brand-primary);
    color: white;
    transition: all var(--transition);
}

.footer__social-link:hover {
    background: var(--brand-secondary);
    color: white;
    transform: translateY(-2px);
}

.footer__bottom {
    text-align: center;
    padding: 16px 0;
    border-top: 1px solid var(--border);
}

.footer__bottom p {
    font-size: 14px;
    color: var(--text-light);
}

/* ===================== STICKY MOBILE CTA ===================== */
.sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-white);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    z-index: 900;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.btn--sticky {
    width: 100%;
    text-align: center;
}

/* ===================== WHATSAPP FLOAT ===================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 800;
    transition: all var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

/* ===================== ANIMATIONS ===================== */
@keyframes spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}