/* ============================================
   SELIN ÇIFTCI - PERSONAL BRAND WEBSITE
   Mobile-First Design
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #1a1a1a;
    --color-secondary: #c9a961;
    --color-accent: #d4af37;
    --color-gold: #c9a961;
    --color-gold-light: #e8d5a3;
    --color-cream: #f8f5f0;
    --color-cream-dark: #ebe6dd;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing - Mobile First */
    --section-padding: 60px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-cream);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Custom Cursor - Desktop Only */
.cursor,
.cursor-follower {
    display: none;
}

/* ============================================
   NAVIGATION - Mobile First
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(248, 245, 240, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
}

.nav-logo .logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.nav-links {
    display: none;
}

.nav-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
}

.nav-hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-fast);
}

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

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

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-cream);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

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

.mobile-nav-links {
    list-style: none;
    text-align: center;
}

.mobile-nav-links li {
    margin: 20px 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-medium);
}

.mobile-menu.active .mobile-nav-links li {
    opacity: 1;
    transform: translateY(0);
}

.mobile-nav-links a {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

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

/* ============================================
   HERO SECTION - Mobile First
   ============================================ */
.hero {
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height for mobile */
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
    overflow: hidden;
    padding: 100px 0 40px;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(201, 169, 97, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 169, 97, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.hero-text {
    position: relative;
    z-index: 2;
    order: 1;
}

.hero-greeting {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

.hero-name {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.name-line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 0.8s ease forwards;
}

.name-line:nth-child(1) {
    animation-delay: 0.5s;
}

.name-line:nth-child(2) {
    animation-delay: 0.7s;
    color: var(--color-gold);
}

.hero-tagline {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 15px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.9s;
}

.tagline-divider {
    display: none;
}

.hero-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    max-width: 100%;
    margin-bottom: 25px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.1s;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 280px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.3s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: 0;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    width: 100%;
}

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

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

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

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

/* Hero Image */
.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    order: 0;
}

.hero-image-frame {
    position: relative;
    width: 220px;
    height: 280px;
    opacity: 0;
    transform: scale(0.9);
    animation: scaleIn 1s ease forwards;
    animation-delay: 0.5s;
}

.hero-image-glow {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    opacity: 0.3;
    filter: blur(30px);
    z-index: -1;
    animation: pulse 4s ease-in-out infinite;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 6px solid var(--color-white);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.floating-badge {
    display: none;
}

/* Scroll Indicator - Hidden on mobile */
.scroll-indicator {
    display: none;
}

.scroll-indicator span {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollBounce 2s ease-in-out infinite;
}

/* ============================================
   SECTION STYLES - Mobile First
   ============================================ */
section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

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

.section-number {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--color-gold);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 15px;
}

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

.section-line {
    width: 50px;
    height: 2px;
    background: var(--color-gold);
    margin: 0 auto;
}

/* ============================================
   MISSION SECTION - Mobile First
   ============================================ */
.mission {
    background: var(--color-white);
    position: relative;
    overflow: hidden;
}

.mission-bg {
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 200%;
    background: var(--color-cream);
    transform: rotate(-15deg);
    z-index: 0;
}

.mission-content {
    position: relative;
    z-index: 1;
}

.mission-statement {
    text-align: center;
    margin-bottom: 40px;
}

.mission-headline {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.mission-text-large {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.9;
    max-width: 700px;
    margin: 0 auto;
}

.mission-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.mission-card {
    background: var(--color-cream);
    padding: 30px 25px;
    border-left: 3px solid var(--color-gold);
    transition: all var(--transition-medium);
}

.mission-card:hover {
    transform: translateX(5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.mission-icon {
    width: 45px;
    height: 45px;
    margin-bottom: 20px;
}

.mission-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-gold);
}

.mission-card h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.mission-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.mission-cta {
    text-align: center;
}

.mission-quote {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-primary);
    max-width: 600px;
    margin: 0 auto;
    padding: 25px;
    border-top: 1px solid var(--color-cream-dark);
    border-bottom: 1px solid var(--color-cream-dark);
    line-height: 1.8;
}

/* ============================================
   SERVICES SECTION - Mobile First
   ============================================ */
.services {
    background: var(--color-cream);
}

/* Research Highlight */
.research-highlight {
    background: var(--color-primary);
    padding: 30px 25px;
    margin-bottom: 50px;
    position: relative;
    overflow: hidden;
}

.research-badge {
    display: inline-block;
    background: var(--color-gold);
    color: var(--color-primary);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 6px 14px;
    margin-bottom: 20px;
}

.research-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 10px;
    line-height: 1.4;
}

.research-subtitle {
    font-size: 0.9rem;
    color: var(--color-gold);
    margin-bottom: 20px;
}

.research-description {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 25px;
}

.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.research-tags .tag {
    background: rgba(201, 169, 97, 0.2);
    color: var(--color-gold);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 6px 12px;
    border: 1px solid rgba(201, 169, 97, 0.3);
}

/* Services Grid */
.services-grid {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 50px;
}

.service-card {
    background: var(--color-white);
    padding: 30px 25px;
    transition: all var(--transition-medium);
    border: 1px solid transparent;
}

.service-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--color-cream);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all var(--transition-fast);
}

.service-card:hover .service-icon {
    background: var(--color-gold);
}

.service-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-gold);
    transition: color var(--transition-fast);
}

.service-card:hover .service-icon svg {
    color: var(--color-white);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.service-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--color-text);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    border-bottom: 1px solid var(--color-cream);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
}

/* Expertise Section */
.expertise-section {
    text-align: center;
}

.expertise-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 25px;
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.expertise-tag {
    background: var(--color-white);
    color: var(--color-text);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 10px 18px;
    border: 1px solid var(--color-cream-dark);
    transition: all var(--transition-fast);
}

.expertise-tag:hover {
    background: var(--color-gold);
    color: var(--color-white);
    border-color: var(--color-gold);
}

/* ============================================
   ABOUT SECTION - Mobile First
   ============================================ */
.about {
    background: var(--color-white);
    position: relative;
    overflow: hidden;
}

.section-bg {
    display: none;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.about-image-wrapper {
    position: relative;
}

.about-image-container {
    position: relative;
    overflow: hidden;
}

.about-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-image-container:hover .about-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 60%, rgba(26, 26, 26, 0.3));
    pointer-events: none;
}

.about-image-decoration {
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--color-gold);
    z-index: -1;
}

.about-text {
    padding: 0;
}

.about-headline {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 25px;
}

.about-paragraph {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 18px;
    line-height: 1.9;
}

.about-paragraph strong {
    color: var(--color-primary);
    font-weight: 600;
}

.about-details {
    display: grid;
    gap: 12px;
    margin: 30px 0;
    padding: 25px 0;
    border-top: 1px solid var(--color-cream-dark);
    border-bottom: 1px solid var(--color-cream-dark);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-gold);
}

.detail-value {
    font-size: 0.9rem;
    color: var(--color-text);
}

.about-quote {
    margin-top: 25px;
}

.about-quote blockquote {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-primary);
    padding-left: 20px;
    border-left: 3px solid var(--color-gold);
    line-height: 1.8;
}

/* ============================================
   WHY WORK WITH ME - Mobile First
   ============================================ */
.why-work {
    background: var(--color-cream);
    padding: 60px 0;
}

.why-work-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.why-card {
    position: relative;
    padding: 35px 25px;
    background: var(--color-white);
    transition: all var(--transition-medium);
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-medium);
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

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

.why-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-gold);
    opacity: 0.5;
    display: block;
    margin-bottom: 15px;
}

.why-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.why-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   CONTACT SECTION - Mobile First
   ============================================ */
.contact {
    background: var(--color-white);
    position: relative;
}

.contact-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 90%, rgba(201, 169, 97, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(201, 169, 97, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.contact-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.contact-headline {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.contact-description {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px;
    background: var(--color-cream);
    border: 1px solid transparent;
    transition: all var(--transition-medium);
}

.contact-method:hover {
    border-color: var(--color-gold);
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.method-icon {
    width: 45px;
    height: 45px;
    min-width: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.method-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.method-icon.whatsapp {
    background: #25d366;
}

.method-icon.whatsapp svg {
    width: 22px;
    height: 22px;
    color: var(--color-white);
}

.contact-method:hover .method-icon {
    background: var(--color-gold);
}

.contact-method:hover .method-icon svg {
    color: var(--color-white);
}

.contact-method:hover .method-icon.whatsapp {
    background: #128c7e;
}

.method-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.method-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-gold);
}

.method-value {
    font-size: 0.9rem;
    color: var(--color-text);
}

/* Contact Card */
.contact-visual {
    display: flex;
    justify-content: center;
}

.contact-card {
    position: relative;
    width: 100%;
    max-width: 300px;
    padding: 50px 35px;
    background: var(--color-primary);
    text-align: center;
}

.card-glow {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    background: var(--color-gold);
    opacity: 0.2;
    filter: blur(30px);
    z-index: -1;
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-initials {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: 20px;
    letter-spacing: 4px;
}

.card-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 6px;
}

.card-title {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.card-divider {
    width: 35px;
    height: 1px;
    background: var(--color-gold);
    margin: 20px auto;
}

.card-location {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   FOOTER - Mobile First
   ============================================ */
.footer {
    background: var(--color-primary);
    padding: 50px 0;
}

.footer-content {
    text-align: center;
}

.footer-logo span {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-white);
    letter-spacing: 2px;
}

.footer-tagline {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}

.footer-divider {
    width: 50px;
    height: 1px;
    background: var(--color-gold);
    margin: 25px auto;
}

.footer-copyright {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
}

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.05);
    }
}

@keyframes scrollBounce {
    0%, 100% {
        transform: scaleY(1);
        opacity: 1;
    }
    50% {
        transform: scaleY(0.6);
        opacity: 0.5;
    }
}

/* Reveal Animations */
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-scale {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-scale {
    transform: scale(0.95);
}

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed,
.reveal-scale.revealed {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* ============================================
   TABLET STYLES (min-width: 768px)
   ============================================ */
@media (min-width: 768px) {
    :root {
        --section-padding: 100px;
    }
    
    .container {
        padding: 0 40px;
    }
    
    /* Navigation */
    .navbar {
        padding: 20px 40px;
    }
    
    /* Hero */
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-content {
        padding: 0 40px;
    }
    
    /* Scroll Indicator - Show on tablet+ */
    .scroll-indicator {
        display: flex;
        position: absolute;
        bottom: 40px;
        left: 50%;
        transform: translateX(-50%);
        flex-direction: column;
        align-items: center;
        gap: 8px;
        opacity: 0;
        animation: fadeInUp 0.8s ease forwards;
        animation-delay: 2s;
    }
    
    .hero-name {
        font-size: 3.5rem;
    }
    
    .hero-greeting {
        font-size: 0.85rem;
        margin-bottom: 15px;
    }
    
    .hero-tagline {
        flex-direction: row;
        gap: 15px;
        font-size: 0.9rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-image-frame {
        width: 320px;
        height: 400px;
    }
    
    .tagline-divider {
        display: inline;
        color: var(--color-gold);
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: center;
        width: auto;
    }
    
    .btn {
        width: auto;
        padding: 15px 32px;
        font-size: 0.8rem;
    }
    
    /* Section Titles */
    .section-title {
        font-size: 2.8rem;
    }
    
    /* Mission */
    .mission-headline {
        font-size: 2.2rem;
    }
    
    .mission-details {
        flex-direction: row;
        gap: 30px;
    }
    
    .mission-card {
        flex: 1;
    }
    
    /* Services */
    .services-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .research-highlight {
        padding: 50px 40px;
    }
    
    .research-title {
        font-size: 1.8rem;
    }
    
    /* About */
    .about-content {
        flex-direction: row;
        gap: 60px;
        align-items: center;
    }
    
    .about-image-wrapper {
        flex: 0 0 45%;
    }
    
    .about-image {
        height: 500px;
    }
    
    .about-text {
        flex: 1;
    }
    
    .detail-item {
        flex-direction: row;
        gap: 15px;
    }
    
    .detail-label {
        min-width: 90px;
    }
    
    /* Why Work */
    .why-work-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    /* Contact */
    .contact-content {
        flex-direction: row;
        gap: 60px;
        align-items: center;
    }
    
    .contact-info {
        flex: 1;
    }
    
    .contact-visual {
        flex: 0 0 auto;
    }
    
    .contact-card {
        width: 280px;
    }
}

/* ============================================
   DESKTOP STYLES (min-width: 1024px)
   ============================================ */
@media (min-width: 1024px) {
    :root {
        --section-padding: 120px;
    }
    
    /* Cursor */
    body {
        cursor: none;
    }
    
    .cursor {
        display: block;
        width: 12px;
        height: 12px;
        border: 2px solid var(--color-gold);
        border-radius: 50%;
        position: fixed;
        pointer-events: none;
        z-index: 9999;
        transition: transform 0.15s ease, opacity 0.15s ease;
        transform: translate(-50%, -50%);
    }
    
    .cursor-follower {
        display: block;
        width: 40px;
        height: 40px;
        background: rgba(201, 169, 97, 0.1);
        border-radius: 50%;
        position: fixed;
        pointer-events: none;
        z-index: 9998;
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                    width 0.3s ease, 
                    height 0.3s ease,
                    background 0.3s ease;
        transform: translate(-50%, -50%);
    }
    
    .cursor.hover {
        transform: translate(-50%, -50%) scale(1.5);
        background: var(--color-gold);
    }
    
    .cursor-follower.hover {
        width: 60px;
        height: 60px;
        background: rgba(201, 169, 97, 0.2);
    }
    
    /* Navigation */
    .navbar {
        padding: 25px 50px;
    }
    
    .navbar.scrolled {
        padding: 15px 50px;
    }
    
    .nav-links {
        display: flex;
        gap: 35px;
        list-style: none;
    }
    
    .nav-link {
        font-size: 0.8rem;
        font-weight: 500;
        letter-spacing: 1.5px;
        text-transform: uppercase;
        color: var(--color-text);
        position: relative;
        padding: 5px 0;
        transition: color var(--transition-fast);
        cursor: none;
    }
    
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 1px;
        background: var(--color-gold);
        transition: width var(--transition-medium);
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: var(--color-gold);
    }
    
    .nav-link:hover::after,
    .nav-link.active::after {
        width: 100%;
    }
    
    .nav-hamburger {
        display: none;
    }
    
    /* Hero */
    .hero {
        padding: 0;
        min-height: 100vh;
    }
    
    .hero-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
        text-align: left;
        padding-top: 100px;
    }
    
    .hero-text {
        order: 0;
    }
    
    .hero-image-container {
        order: 1;
    }
    
    .hero-name {
        font-size: 5rem;
    }
    
    .hero-cta {
        justify-content: flex-start;
    }
    
    .hero-image-frame {
        width: 420px;
        height: 520px;
    }
    
    .floating-badge {
        display: flex;
        position: absolute;
        align-items: center;
        gap: 10px;
        padding: 12px 20px;
        background: var(--color-white);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        border-radius: 50px;
        opacity: 0;
        animation: floatIn 0.8s ease forwards;
    }
    
    .badge-1 {
        top: 10%;
        left: -30px;
        animation-delay: 1.5s;
    }
    
    .badge-2 {
        bottom: 15%;
        right: -40px;
        animation-delay: 1.7s;
    }
    
    .badge-icon {
        font-size: 1.2rem;
    }
    
    .badge-text {
        font-size: 0.75rem;
        font-weight: 500;
        letter-spacing: 0.5px;
        color: var(--color-text);
    }
    
    @keyframes floatIn {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* Section */
    .section-title {
        font-size: 3.2rem;
    }
    
    .section-bg {
        display: block;
        position: absolute;
        top: 0;
        right: 0;
        width: 50%;
        height: 100%;
        background: var(--color-cream);
        z-index: 0;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* About */
    .about-content {
        gap: 80px;
    }
    
    .about-image {
        height: 600px;
    }
    
    .about-text {
        padding-left: 20px;
    }
    
    /* Why Work */
    .why-work-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Contact */
    .contact-content {
        gap: 80px;
    }
}

/* ============================================
   LARGE DESKTOP (min-width: 1280px)
   ============================================ */
@media (min-width: 1280px) {
    .hero-name {
        font-size: 6rem;
    }
    
    .hero-description {
        font-size: 1.15rem;
        max-width: 450px;
    }
}

/* ============================================
   UTILITIES
   ============================================ */

/* Smooth scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-cream);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gold);
    border-radius: 4px;
}

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

/* Selection color */
::selection {
    background: var(--color-gold);
    color: var(--color-white);
}