/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary: #2D5A4A;
    --primary-light: #4A8B6C;
    --primary-dark: #1E3D32;
    --primary-50: rgba(45, 90, 74, 0.05);
    --primary-100: rgba(45, 90, 74, 0.1);
    --primary-200: rgba(45, 90, 74, 0.2);

    --accent: #E8B4B8;
    --accent-light: #F5D5D8;
    --accent-dark: #D89199;

    --secondary: #F5EFE6;
    --bg-light: #FAFAF8;
    --bg-cream: #FDF9F3;

    --text-dark: #1A2421;
    --text-body: #4A5553;
    --text-light: #7A8583;
    --text-muted: #A5AFAD;

    --white: #FFFFFF;
    --black: #0A0F0D;

    --success: #4CAF50;
    --warning: #FF9800;
    --error: #F44336;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    --gradient-hero: linear-gradient(135deg, #F5EFE6 0%, #E8F5E9 50%, #FDF9F3 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 36, 33, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 36, 33, 0.08);
    --shadow-lg: 0 8px 32px rgba(26, 36, 33, 0.12);
    --shadow-xl: 0 16px 48px rgba(26, 36, 33, 0.16);
    --shadow-glow: 0 0 40px rgba(45, 90, 74, 0.15);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Typography */
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-padding: 100px;
    --container-padding: 24px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-body);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

button,
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}

button {
    cursor: pointer;
}

/* ===== Container ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===== Section Styles ===== */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary-100);
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

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

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md), 0 4px 20px rgba(45, 90, 74, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 8px 30px rgba(45, 90, 74, 0.4);
}

.btn-outline {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary-200);
}

.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-normal);
    background: transparent;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
}

.logo-icon {
    font-size: 28px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-body);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.nav-link:hover {
    background: var(--primary-50);
    color: var(--primary);
}

.nav-cta {
    margin-left: 16px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-normal);
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    padding: 120px 0 80px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(45, 90, 74, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(232, 180, 184, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--white);
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.hero-badge i {
    color: var(--primary-light);
}

.hero-title {
    font-size: clamp(40px, 6vw, 60px);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-body);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 4px;
}

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

.hero-image-wrapper {
    position: relative;
    width: 400px;
    height: 480px;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.hero-image-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
}

.hero-image-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: linear-gradient(180deg, var(--primary-100) 0%, var(--primary-200) 100%);
}

.hero-image-placeholder i {
    font-size: 80px;
    color: var(--primary);
    opacity: 0.5;
}

.hero-image-placeholder span {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    opacity: 0.7;
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 24px;
    color: var(--primary);
}

.floating-card span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.card-1 {
    top: 60px;
    right: -20px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 80px;
    left: -20px;
    animation-delay: 1.5s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* ===== About Section ===== */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 80px;
    align-items: start;
}

.about-image {
    position: relative;
}

.about-image-wrapper {
    width: 100%;
    height: 500px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--gradient-hero);
}

.about-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: linear-gradient(180deg, var(--accent-light) 0%, var(--secondary) 100%);
}

.about-image-placeholder i {
    font-size: 60px;
    color: var(--primary);
    opacity: 0.4;
}

.about-image-placeholder span {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    opacity: 0.6;
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    padding: 20px 28px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.exp-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
}

.exp-text {
    font-size: 13px;
    opacity: 0.9;
}

.about-text {
    padding-top: 20px;
}

.about-intro {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.7;
}

.about-text p {
    margin-bottom: 16px;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.highlight-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.highlight-item i {
    font-size: 24px;
    color: var(--primary);
    flex-shrink: 0;
}

.highlight-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.highlight-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

/* ===== Expertise Section ===== */
.expertise {
    background: var(--bg-light);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.expertise-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

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

.expertise-card:hover::before {
    transform: scaleX(1);
}

.expertise-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    color: var(--primary);
    font-size: 28px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    transition: var(--transition-normal);
}

.expertise-card:hover .expertise-icon {
    background: var(--gradient-primary);
    color: var(--white);
}

.expertise-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.expertise-card>p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.expertise-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.expertise-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-body);
}

.expertise-list li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 600;
}

/* ===== Why Me Section ===== */
.why-me {
    background: var(--gradient-hero);
}

.why-me-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.why-me-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition-normal);
}

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

.why-me-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    color: var(--primary);
    font-size: 32px;
    border-radius: 50%;
    margin: 0 auto 24px;
    transition: var(--transition-normal);
}

.why-me-card:hover .why-me-icon {
    background: var(--gradient-primary);
    color: var(--white);
    transform: scale(1.1);
}

.why-me-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.why-me-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== Education Section ===== */
.education {
    background: var(--white);
}

.education-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
}

.timeline-section {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-xl);
}

.timeline-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-100);
}

.timeline-title i {
    color: var(--primary);
}

.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--primary-200);
}

.timeline-item {
    position: relative;
    padding-bottom: 32px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -32px;
    top: 6px;
    width: 16px;
    height: 16px;
    background: var(--white);
    border: 3px solid var(--primary);
    border-radius: 50%;
    z-index: 1;
}

.timeline-marker.featured {
    width: 20px;
    height: 20px;
    left: -34px;
    top: 4px;
    background: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-100);
}

.timeline-content {
    background: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.timeline-date {
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 8px;
}

.timeline-content h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.timeline-place {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 14px;
    color: var(--text-body);
    margin-top: 8px;
}

.timeline-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--accent-light);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    margin-top: 8px;
}

/* ===== Certifications Section ===== */
.certifications {
    background: var(--bg-light);
    overflow: hidden;
}

.cert-slider {
    overflow: hidden;
    margin: 0 calc(var(--container-padding) * -1);
    padding: 20px 0;
}

.cert-track {
    display: flex;
    gap: 24px;
    animation: scroll 30s linear infinite;
    width: max-content;
}

.cert-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.cert-card {
    flex-shrink: 0;
    width: 320px;
    padding: 32px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    opacity: 1 !important;
    transform: none !important;
}

.cert-card.fade-in {
    opacity: 1 !important;
    transform: none !important;
}

.cert-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: var(--shadow-md);
}

.cert-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    color: var(--primary);
    font-size: 24px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.cert-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}

.cert-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.cert-date {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
}

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

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition-normal);
}

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

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

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.faq-question i {
    font-size: 16px;
    color: var(--primary);
    transition: 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;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 28px 24px;
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.8;
}

/* ===== Contact Section ===== */
.contact {
    background: var(--gradient-hero);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.contact-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    color: var(--primary);
    font-size: 24px;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.contact-details a,
.contact-details p {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.contact-details a:hover {
    color: var(--primary);
}

.contact-note {
    display: block;
    font-size: 13px;
    font-weight: 400;
    color: var(--primary);
    margin-top: 4px;
}

.contact-form {
    background: var(--white);
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-light);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: 15px;
    color: var(--text-dark);
    transition: var(--transition-normal);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    background: var(--white);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-100);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
}

/* ===== Footer ===== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 18px;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

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

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 8px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

.footer-contact i {
    color: var(--primary-light);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== WhatsApp Button ===== */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    color: var(--white);
    font-size: 32px;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
    animation: pulse 2s infinite;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
    }
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    color: var(--primary);
    font-size: 20px;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
}

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

.back-to-top:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-4px);
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible,
.timeline-item,
.cert-card,
.faq-item,
.contact-card,
.expertise-card,
.highlight-item,
.why-me-card {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    :root {
        --section-padding: 80px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

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

    .hero-image {
        order: -1;
        margin-bottom: 20px;
    }

    .hero-image-wrapper {
        width: 300px;
        height: 360px;
    }

    .floating-card {
        display: none;
    }

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

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .about-image-wrapper {
        height: 400px;
    }

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

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
        --container-padding: 20px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        justify-content: center;
        background: var(--white);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 24px;
        padding: 16px 24px;
    }

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

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

    .expertise-card {
        padding: 32px 24px;
    }

    .why-me-grid {
        grid-template-columns: 1fr;
    }

    .timeline-section {
        padding: 24px;
    }

    .contact-form {
        padding: 32px 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

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

    .footer-links ul {
        align-items: center;
    }

    .footer-contact p {
        justify-content: center;
    }

    .whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 54px;
        height: 54px;
    }

    .back-to-top {
        left: 20px;
        bottom: 20px;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .btn-lg {
        padding: 16px 28px;
        width: 100%;
    }

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

    .faq-question {
        padding: 20px;
        font-size: 15px;
    }

    .faq-answer p {
        padding: 0 20px 20px;
        font-size: 14px;
    }
}