/* ===== ROOT & RESET ===== */
:root {
    --black: #0a0a0a;
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --transition: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-fast: 0.3s cubic-bezier(0.65, 0, 0.35, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

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

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

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

/* ===== LANGUAGE SWITCHING (kept for contact page) ===== */
body:not(.en) .lang-en {
    display: none;
}

body.en .lang-tr {
    display: none;
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 28px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: background-color 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}

.nav.scrolled {
    background-color: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px 48px;
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.nav-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    color: var(--white);
    letter-spacing: -0.5px;
    font-weight: 700;
}

.nav-logo a {
    color: var(--white);
}

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

.nav-link {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
    cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-switch {
    display: flex;
    gap: 6px;
    align-items: center;
}

.lang-btn {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.5);
    padding: 5px 12px;
    font-size: 0.65rem;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
}

.lang-btn.active {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.lang-btn:hover {
    border-color: rgba(255, 255, 255, 0.7);
    color: rgba(255, 255, 255, 0.9);
}

.nav-social {
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
}

.nav-social:hover {
    color: var(--white);
}

.nav-social svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
    background: none;
    border: none;
    padding: 4px;
}

.hamburger span {
    width: 24px;
    height: 1.5px;
    background: var(--white);
    transition: all 0.3s ease;
    display: block;
}

.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);
}

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--black);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 36px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu .nav-link {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 3px;
}

.mobile-menu .nav-link:hover {
    color: var(--white);
}

.mobile-menu .lang-switch {
    margin-top: 20px;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    background: var(--black);
    display: flex;
    align-items: center;
    padding: 140px 48px 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 650px;
    z-index: 2;
}

.hero-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--gray-500);
    margin-bottom: 24px;
    display: block;
    opacity: 0;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.2rem, 4.5vw, 3.8rem);
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 28px;
    opacity: 0;
    transform: translateY(40px);
}

.hero-description {
    font-size: 1.05rem;
    color: var(--gray-400);
    line-height: 1.9;
    margin-bottom: 44px;
    max-width: 520px;
    opacity: 0;
    transform: translateY(30px);
}

.hero-ctas {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    opacity: 0;
}

.hero-cta {
    display: inline-block;
    padding: 16px 44px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: all 0.4s ease;
    font-family: 'Inter', sans-serif;
}

.hero-cta:hover {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.hero-cta-secondary {
    display: inline-block;
    padding: 16px 44px;
    background: var(--white);
    color: var(--black);
    border: 1px solid var(--white);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: all 0.4s ease;
    font-family: 'Inter', sans-serif;
}

.hero-cta-secondary:hover {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.hero-image {
    position: absolute;
    right: 6%;
    bottom: 0;
    height: 82%;
    z-index: 1;
    opacity: 0;
}

.hero-image img {
    height: 100%;
    width: auto;
    object-fit: contain;
    filter: grayscale(20%);
}

/* ===== LOGO SLIDER SECTIONS (Featured In / Partners) ===== */
.logo-section {
    padding: 60px 0;
    background: var(--gray-50);
    overflow: hidden;
    border-bottom: 1px solid var(--gray-200);
}

.logo-section-alt {
    background: var(--white);
    border-bottom: none;
}

.logo-section-inner {
    text-align: center;
}

.logo-section-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--gray-400);
    margin-bottom: 36px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
}

.logo-slider {
    overflow: hidden;
    width: 100%;
}

.logo-track {
    display: flex;
    animation: marquee 40s linear infinite;
    width: max-content;
}

.logo-track-reverse {
    animation: marquee-reverse 30s linear infinite;
}

.logo-item {
    flex-shrink: 0;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-item img {
    height: 36px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: all 0.3s ease;
}

.logo-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes marquee-reverse {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

/* ===== SECTION COMMON ===== */
.section {
    padding: 120px 48px;
    position: relative;
}

.section-dark {
    background: var(--black);
    color: var(--white);
}

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

.section-gray {
    background: var(--gray-50);
    color: var(--black);
}

.section-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--gray-400);
    margin-bottom: 16px;
    display: block;
}

.section-dark .section-label {
    color: var(--gray-500);
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 600px;
    line-height: 1.8;
    margin-bottom: 60px;
}

.section-dark .section-subtitle {
    color: var(--gray-400);
}

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

/* ===== ABOUT SECTION ===== */
.about-single {
    max-width: 100%;
}

.about-single > p {
    text-align: center;
}

.about-text h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 28px;
    line-height: 1.2;
}

.about-text p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 24px;
}

.about-lead {
    font-size: 1.1rem !important;
    line-height: 1.85 !important;
    color: var(--gray-700) !important;
}

.about-highlight {
    margin-top: 32px;
    padding: 28px 0 28px 28px;
    border-left: 3px solid var(--black);
}

.about-highlight p {
    font-size: 1.05rem !important;
    font-style: italic;
    color: var(--gray-800) !important;
    font-weight: 500;
    margin-bottom: 0 !important;
    line-height: 1.8 !important;
}

/* ===== ABOUT SUBSECTION TITLES ===== */
.about-subsection-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--black);
    line-height: 1.3;
}

/* ===== EDUCATION & CERTIFICATIONS ===== */
.edu-section {
    margin-top: 56px;
    text-align: left;
}

.edu-section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.5rem, 2.5vw, 1.8rem);
    margin-bottom: 36px;
    color: var(--black);
    line-height: 1.3;
    position: relative;
    padding-bottom: 16px;
}

.edu-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 2px;
    background: var(--black);
}

.edu-category-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gray-400);
    margin-bottom: 16px;
    margin-top: 32px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    position: relative;
    padding-left: 18px;
}

.edu-category-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 2px;
    background: var(--black);
}

.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    margin-bottom: 12px;
}

.edu-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    padding: 32px;
    display: flex;
    gap: 24px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.edu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--black);
    transition: height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.edu-card:hover {
    border-color: var(--black);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
    background: var(--white);
}

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

.edu-card-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-200);
    background: var(--white);
    transition: all 0.4s ease;
}

.edu-card-icon svg {
    width: 22px;
    height: 22px;
    color: var(--gray-500);
    transition: color 0.4s ease;
}

.edu-card:hover .edu-card-icon {
    background: var(--black);
    border-color: var(--black);
}

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

.edu-card-content {
    flex: 1;
    min-width: 0;
}

.edu-card-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    margin-bottom: 8px;
    line-height: 1.3;
    color: var(--black);
}

.edu-card-location {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray-400);
    margin-bottom: 8px;
}

.edu-card-degree {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 10px;
    line-height: 1.5;
}

.edu-card-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}

.edu-card-issuer,
.edu-card-license {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.edu-card-badge-link {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--black);
    border-bottom: 1px solid var(--gray-300);
    padding-bottom: 2px;
    margin-bottom: 14px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.edu-card-badge-link:hover {
    border-color: var(--black);
    letter-spacing: 2.5px;
}

.edu-card-context,
.edu-card-focus {
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--gray-500);
    margin-bottom: 0;
}

.edu-card-focus em {
    color: var(--gray-600);
    font-style: italic;
}

.edu-card-cert {
    background: var(--white);
    border-color: var(--gray-300);
}

/* ===== VENTURES SECTION ===== */
.ventures-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 60px;
}

.venture-card {
    padding: 44px 32px;
    border: 1px solid var(--gray-200);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    min-height: 360px;
    background: var(--white);
}

.venture-card:hover {
    border-color: var(--black);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
}

.venture-header {
    margin-bottom: 20px;
}

.venture-period {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray-400);
    margin-bottom: 12px;
    display: block;
}

.venture-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    margin-bottom: 6px;
    line-height: 1.2;
}

.venture-name a {
    color: var(--black);
    border-bottom: 1px solid transparent;
}

.venture-name a:hover {
    border-bottom-color: var(--black);
}

.venture-role {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray-500);
}

.venture-desc {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--gray-600);
    flex: 1;
    margin-top: 16px;
}

.venture-location {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ===== TESTIMONIALS ===== */
.testimonial-subsection-title {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gray-400);
    margin-top: 48px;
    margin-bottom: 8px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    position: relative;
    padding-left: 20px;
}

.testimonial-subsection-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 2px;
    background: var(--black);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
    margin-top: 28px;
    margin-bottom: 20px;
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all 0.4s ease;
}

.testimonial-card:hover {
    border-color: var(--gray-400);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
}

.testimonial-video {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--black);
    display: block;
    object-fit: cover;
}

.testimonial-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    padding: 32px;
}

.testimonial-image.dark-bg {
    background: var(--black);
}

.testimonial-image img {
    max-height: 80px;
    max-width: 70%;
    object-fit: contain;
}

.testimonial-content {
    padding: 28px;
}

.testimonial-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.testimonial-role {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray-400);
    margin-bottom: 16px;
    display: block;
}

.testimonial-service {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray-400);
    margin-bottom: 16px;
    display: block;
    line-height: 1.6;
}

.testimonial-text {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--gray-600);
}

.testimonial-quote {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--gray-200);
    line-height: 0;
    vertical-align: -0.5em;
    margin-right: 4px;
}

/* Key Achievement */
.key-achievement {
    margin-top: 20px;
    padding: 16px 20px;
    background: var(--gray-50);
    border-left: 3px solid var(--black);
}

.key-achievement-label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--gray-400);
    margin-bottom: 6px;
    display: block;
    font-weight: 600;
}

.key-achievement-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--black);
    line-height: 1.6;
}

/* ===== MEDIA SECTION ===== */
.media-intro {
    max-width: 100%;
    margin-bottom: 60px;
}

.media-intro .section-subtitle {
    max-width: 100%;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.media-item {
    overflow: hidden;
    border: 1px solid var(--gray-700);
    transition: all 0.4s ease;
}

.media-item:hover {
    border-color: var(--gray-400);
    transform: translateY(-4px);
}

.media-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s ease;
}

.media-item:hover img {
    transform: scale(1.03);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 80px 48px 36px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.7;
    max-width: 300px;
}

.footer-heading {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 24px;
    color: var(--gray-500);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 0.88rem;
    color: var(--gray-400);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 28px;
    border-top: 1px solid var(--gray-800);
    font-size: 0.72rem;
    color: var(--gray-500);
    letter-spacing: 1px;
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    color: var(--gray-500);
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
}

.footer-social a:hover {
    color: var(--white);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* ===== CONTACT PAGE ===== */
.page-hero {
    min-height: 40vh;
    background: var(--black);
    display: flex;
    align-items: flex-end;
    padding: 140px 48px 60px;
    color: var(--white);
}

.page-hero .section-label {
    color: var(--gray-500);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    position: relative;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.form-group label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray-500);
    margin-bottom: 10px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 0;
    border: none;
    border-bottom: 1px solid var(--gray-200);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--black);
    background: transparent;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group select {
    width: 100%;
    padding: 14px 0;
    border: none;
    border-bottom: 1px solid var(--gray-200);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--black);
    background: transparent;
    outline: none;
    transition: border-color 0.3s ease;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23737373' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
    border-radius: 0;
}

.form-group select:focus {
    border-color: var(--black);
}

.form-group select:invalid {
    color: var(--gray-400);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--black);
}

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

.form-submit {
    display: inline-block;
    padding: 16px 52px;
    background: var(--black);
    color: var(--white);
    border: 1px solid var(--black);
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    cursor: pointer;
    transition: all 0.4s ease;
    align-self: flex-start;
    position: relative;
}

.form-submit:hover {
    background: transparent;
    color: var(--black);
}

.form-submit .btn-loader {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.form-submit.loading .btn-text {
    display: none;
}

.form-submit.loading .btn-loader {
    display: inline-block;
}

.form-submit.loading {
    pointer-events: none;
    opacity: 0.7;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-response-note {
    font-size: 0.8rem;
    color: var(--gray-400);
    letter-spacing: 0.5px;
    line-height: 1.6;
    margin-top: -8px;
}

.contact-info-locations {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.contact-info {
    padding-top: 8px;
}

.contact-info-item {
    margin-bottom: 40px;
}

.contact-info-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gray-400);
    margin-bottom: 10px;
}

.contact-info-value {
    font-size: 1.05rem;
    color: var(--black);
}

.contact-info-value a {
    color: var(--black);
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: 2px;
}

.contact-info-value a:hover {
    border-color: var(--black);
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    border: 2px solid var(--black);
    transition: all 0.3s ease;
    position: relative;
    background: var(--white);
    display: inline-block;
}

.checkbox-custom::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 12px;
    border: solid var(--white);
    border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg) scale(0);
    transition: transform 0.2s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--black);
    border-color: var(--black);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    transform: rotate(45deg) scale(1);
}

/* Form Success Message */
.form-success {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 10;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.form-success.visible {
    display: flex;
}

.success-content {
    opacity: 0;
    transform: translateY(20px);
}

.form-success.visible .success-content {
    animation: fadeInUp 0.6s ease forwards;
}

.success-icon {
    width: 72px;
    height: 72px;
    border: 2px solid var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
}

.success-icon svg {
    width: 32px;
    height: 32px;
    color: var(--black);
    stroke-dasharray: 30;
    stroke-dashoffset: 30;
}

.form-success.visible .success-icon svg {
    animation: drawCheck 0.5s ease 0.3s forwards;
}

.success-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.6rem, 2.5vw, 2rem);
    margin-bottom: 12px;
}

.success-text {
    font-size: 1rem;
    color: var(--gray-500);
    line-height: 1.8;
    max-width: 400px;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes drawCheck {
    to {
        stroke-dashoffset: 0;
    }
}

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .section {
        padding: 80px 28px;
    }

    .nav {
        padding: 20px 24px;
    }

    .nav.scrolled {
        padding: 14px 24px;
    }

    .nav-center {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero {
        padding: 120px 28px 60px;
        flex-direction: column;
        text-align: center;
    }

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

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

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

    .hero-image {
        position: relative;
        right: auto;
        height: auto;
        margin-top: 40px;
        text-align: center;
    }

    .hero-image img {
        height: auto;
        max-height: 380px;
    }

    .about-single {
        max-width: 100%;
    }

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

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

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

    .media-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }

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

    .page-hero {
        padding: 120px 28px 40px;
        min-height: 30vh;
    }

    .logo-item {
        padding: 0 24px;
    }

    .logo-item img {
        height: 28px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 64px 20px;
    }

    .hero {
        padding: 100px 20px 48px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-ctas {
        flex-direction: column;
        gap: 12px;
    }

    .hero-cta,
    .hero-cta-secondary {
        width: 100%;
        text-align: center;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer {
        padding: 60px 20px 28px;
    }

    .page-hero {
        padding: 100px 20px 32px;
    }

    .edu-card {
        padding: 24px;
        gap: 16px;
    }

    .edu-card-icon {
        width: 36px;
        height: 36px;
    }

    .edu-card-icon svg {
        width: 18px;
        height: 18px;
    }

    .logo-section {
        padding: 40px 0;
    }

    .logo-section-title {
        margin-bottom: 24px;
    }

    .logo-item {
        padding: 0 20px;
    }

    .logo-item img {
        height: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }

    .nav {
        padding: 16px 16px;
    }

    .nav.scrolled {
        padding: 12px 16px;
    }

    .logo-item img {
        height: 20px;
    }
}