/* ============================================
   HIGH BROW - PREMIUM LANDING PAGE STYLES
   Design: Ultra Premium | 25+ Anos de Excelência
   ============================================ */

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

:root {
    /* Paleta Premium baseada na logo */
    --primary-blue: #1E5BA8;
    --primary-red: #E41E20;
    --primary-teal: #00A79D;

    /* Cores Premium */
    --dark-navy: #0A2540;
    --medium-blue: #1E5BA8;
    --accent-red: #E41E20;
    --accent-gold: #D4AF37;

    /* Neutros Sofisticados */
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --light-gray: #E9ECEF;
    --medium-gray: #6C757D;
    --dark-gray: #1A1A1A;

    /* Sombras Premium */
    --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.08);
    --shadow-md: 0 4px 16px rgba(10, 37, 64, 0.12);
    --shadow-lg: 0 8px 32px rgba(10, 37, 64, 0.16);
    --shadow-xl: 0 16px 48px rgba(10, 37, 64, 0.20);

    /* Tipografia */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--dark-gray);
    background: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--accent-red);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(228, 30, 32, 0.3);
}

.btn-primary:hover {
    background: #C31618;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(228, 30, 32, 0.4);
}

.btn-secondary {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(30, 91, 168, 0.3);
}

.btn-secondary:hover {
    background: #164379;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(30, 91, 168, 0.4);
}

.btn-hero {
    background: linear-gradient(135deg, var(--accent-red) 0%, #C31618 100%);
    color: var(--white);
    padding: 20px 40px;
    font-size: 18px;
    box-shadow: 0 8px 32px rgba(228, 30, 32, 0.4);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 48px rgba(228, 30, 32, 0.5);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
    padding: 20px 40px;
    font-size: 18px;
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-3px);
    box-shadow: 0 12px 48px rgba(37, 211, 102, 0.5);
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo-img {
    height: 120px;
    width: auto;
    mix-blend-mode: multiply;
    filter: brightness(1.1);
}

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

/* ===== NAVIGATION MENU ===== */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark-navy);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-normal);
}

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

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

/* ===== MOBILE MENU TOGGLE ===== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--dark-navy);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== MOBILE MENU OVERLAY ===== */
.nav-menu::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: -1;
}

@media (max-width: 768px) {
    .nav-menu.active::before {
        opacity: 1;
        visibility: visible;
    }
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    padding: 180px 0 120px;
    background: linear-gradient(135deg, var(--dark-navy) 0%, #0F3A5F 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(30, 91, 168, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(228, 30, 32, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}

.hero-badge i {
    color: var(--accent-gold);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.gradient-text {
    background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

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

.stars {
    display: flex;
    gap: 4px;
    color: #FFB800;
}

.rating-text {
    font-size: 14px;
    font-weight: 500;
}

.hero-divider {
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.3);
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 24px;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-location {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.8s both;
    text-align: center;
    max-width: fit-content;
}

.hero-location i {
    color: var(--accent-red);
    font-size: 20px;
}

.hero-cta {
    animation: fadeInUp 0.8s ease 1s both;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-subtext {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.9;
}

.cta-subtext i {
    color: #4ADE80;
}

/* Hero Decoration */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.circle-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -50px;
    animation: float 15s ease-in-out infinite reverse;
}

.circle-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    right: 10%;
    animation: float 12s ease-in-out infinite;
}

/* ===== SECTIONS ===== */
.why-choose,
.courses,
.about,
.faq,
.cta-final {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: var(--dark-navy);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--medium-gray);
    font-weight: 500;
}

/* ===== WHY CHOOSE SECTION ===== */
.why-choose {
    background: var(--off-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: var(--spacing-md);
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.feature-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--primary-blue) 0%, var(--accent-red) 100%);
    transition: height 0.5s ease;
}

.feature-card:hover::before {
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-red) 100%);
    border-radius: 16px;
    color: var(--white);
    font-size: 28px;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(30, 91, 168, 0.3);
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 12px;
    line-height: 1.4;
}

.feature-description {
    color: var(--medium-gray);
    line-height: 1.7;
}

.cta-center {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===== COURSES SECTION ===== */
.courses {
    background: var(--white);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: var(--spacing-md);
}

.course-card {
    grid-column: span 1;
}

@media (max-width: 1200px) {
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: 1fr;
    }

    .course-card {
        grid-column: span 1;
    }
}

.course-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--off-white) 100%);
    padding: 32px 24px;
    border-radius: 16px;
    border: 2px solid var(--light-gray);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.course-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: var(--white);
}

.course-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-teal) 100%);
    border-radius: 50%;
    color: var(--white);
    font-size: 32px;
    margin: 0 auto 20px;
    box-shadow: 0 8px 24px rgba(30, 91, 168, 0.25);
    transition: all var(--transition-normal);
}

.course-card:hover .course-icon {
    transform: scale(1.1) rotate(5deg);
}

.course-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 12px;
}

.course-description {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: linear-gradient(135deg, var(--dark-navy) 0%, #0F3A5F 100%);
    color: var(--white);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
    margin-bottom: var(--spacing-lg);
}

/* Carrossel de Fotos */
.about-carousel {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid var(--white);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.carousel-dot.active {
    background: var(--white);
    transform: scale(1.2);
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    color: var(--dark-navy);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-arrow:hover {
    background: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-arrow.prev {
    left: 20px;
}

.carousel-arrow.next {
    right: 20px;
}

.about-paragraph {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 24px;
    opacity: 0.95;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 800;
    color: var(--accent-gold);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

/* ===== TESTIMONIALS ===== */
.testimonials-title {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonials-title i {
    color: var(--accent-gold);
}

/* Container de Depoimentos Reais do Google */
.google-testimonials {
    margin-top: var(--spacing-lg);
}

.google-testimonials-header {
    text-align: center;
    margin-bottom: 48px;
}

.google-testimonials-title {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.google-logo {
    height: 24px;
    width: auto;
    margin-right: 4px;
}

.google-rating-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 20px;
}

.google-rating-display .stars {
    display: flex;
    gap: 6px;
    color: #FFB800;
    font-size: 24px;
}

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

@media (max-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(8px);
}

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--primary-blue) 100%);
    border-radius: 50%;
    font-size: 20px;
}

.testimonial-name {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    color: #FFB800;
    font-size: 14px;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.7;
    opacity: 0.95;
    font-style: italic;
}

.google-link {
    margin-top: 24px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    text-align: center;
}

.google-link a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.google-link a:hover {
    color: var(--accent-gold);
    text-decoration: none;
}

/* ===== FAQ SECTION ===== */
.faq {
    background: var(--off-white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-navy);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-blue);
}

.faq-question i {
    color: var(--primary-blue);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 28px 24px;
}

.faq-answer p {
    color: var(--medium-gray);
    line-height: 1.7;
}

/* ===== CTA FINAL SECTION ===== */
.cta-final {
    position: relative;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-teal) 100%);
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.cta-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(228, 30, 32, 0.15) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    opacity: 0.95;
}

.cta-text {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 24px;
    opacity: 0.9;
}

.cta-highlight {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 32px;
}

.cta-reassurance {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.9;
}

.cta-reassurance i {
    color: #4ADE80;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-navy);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    height: 140px;
    width: auto;
    margin-bottom: 24px;
}

.footer-tagline {
    font-size: 16px;
    font-weight: 500;
    color: var(--primary-teal);
    margin-bottom: 16px;
}

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

.footer-rating .stars {
    display: flex;
    gap: 4px;
    color: #FFB800;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent-gold);
}

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

.footer-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    opacity: 0.9;
    line-height: 1.6;
}

.footer-list i {
    color: var(--primary-blue);
    margin-top: 4px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    font-size: 18px;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 14px;
    opacity: 0.8;
}

.footer-bottom p {
    margin: 8px 0;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    border-radius: 50%;
    color: var(--white);
    font-size: 32px;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-normal);
    animation: pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
    text-decoration: none;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-30px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .carousel-container {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .header-right {
        flex-direction: column;
        gap: 16px;
        align-items: flex-end;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 32px;
        gap: 24px;
        transition: right 0.4s ease;
        z-index: 999;
    }

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

    .nav-link {
        font-size: 18px;
        width: 100%;
    }

    .mobile-menu-toggle {
        display: flex;
        z-index: 1000;
    }

    .header-right .btn {
        display: none;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-subtitle {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .hero-divider {
        display: none;
    }

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

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

    .about-stats {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 14px 24px;
        font-size: 15px;
    }

    .btn-hero,
    .btn-whatsapp {
        padding: 16px 32px;
        font-size: 16px;
    }

    .logo-img {
        height: 80px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 28px;
    }

    .carousel-container {
        height: 300px;
    }

    .carousel-arrow {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .carousel-arrow.prev {
        left: 10px;
    }

    .carousel-arrow.next {
        right: 10px;
    }
}

/* ===== AOS (Scroll Animations) ===== */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.6s;
    transition-timing-function: ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}