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

/* ===== LOADING SCREEN ===== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
    max-width: 400px;
    padding: 2rem;
}

.loading-logo {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.loading-icon {
    width: 80px;
    height: 80px;
    animation: fanRotate 2s linear infinite;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

@keyframes fanRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.loading-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    font-weight: 400;
}

.loading-progress {
    width: 200px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    margin: 0 auto 1rem;
    overflow: hidden;
}

.loading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.8), rgba(255,255,255,1));
    width: 0%;
    border-radius: 2px;
    animation: loadingProgress 2.5s ease-in-out forwards;
}

@keyframes loadingProgress {
    0% { width: 0%; }
    50% { width: 60%; }
    100% { width: 100%; }
}

.loading-text {
    font-size: 0.875rem;
    opacity: 0.8;
    animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
    0%, 20% { opacity: 0.8; }
    50% { opacity: 1; }
    80%, 100% { opacity: 0.8; }
}

/* Loading screen için body scroll lock */
body.loading {
    overflow: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: #334155;
    background-color: #ffffff;
}

/* ===== VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Blue Colors */
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 5rem 0;
    --card-padding: 2rem;
    
    /* Border Radius */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-700);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.5;
}

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

.btn--primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn--ghost {
    background-color: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn--ghost:hover {
    background-color: var(--gray-100);
    border-color: var(--gray-400);
}

.btn--small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    text-decoration: none;
}

/* Footer'da brand elementi için beyaz renk */
.footer .nav__brand {
    color: var(--white);
}

.nav__logo-text {
    font-size: inherit;
    font-weight: inherit;
}

.nav__logo-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

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

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav__link {
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
}

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

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

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

.nav__btns {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
    background: none;
    border: none;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 10rem 0 6rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--blue-50) 100%);
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

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

.hero__description {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__image {
    display: flex;
    justify-content: center;
}

.hero__image-placeholder {
    width: 400px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--border-radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-xl);
}

.hero__image-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero__image-placeholder p {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
}

/* ===== PROCESS SECTION ===== */
.process {
    padding: var(--section-padding);
    background-color: var(--white);
}

.process__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process__card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
}

.process__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.process__number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: 0.875rem;
}

.process__icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.process__title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.process__description {
    color: var(--gray-700);
    line-height: 1.6;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--section-padding);
    background-color: var(--gray-50);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service__card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.service__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.service__title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.service__description {
    color: var(--gray-700);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service__features {
    list-style: none;
}

.service__features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.service__features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: var(--font-weight-bold);
}

/* ===== STATS SECTION ===== */
.stats {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stats__number {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.5rem;
}

.stats__label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ===== GALLERY SECTION ===== */
.gallery {
    padding: var(--section-padding);
    background-color: var(--white);
}

.gallery__filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.gallery__filter {
    padding: 0.5rem 1.5rem;
    background-color: var(--gray-100);
    color: var(--gray-700);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: var(--font-weight-medium);
}

.gallery__filter.active,
.gallery__filter:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.gallery__item {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.gallery__item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery__image {
    height: 200px;
    overflow: hidden;
}

.gallery__placeholder {
    height: 100%;
    background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-300) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
}

.gallery__placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.gallery__placeholder span {
    font-weight: var(--font-weight-medium);
}

.gallery__content {
    padding: 1.5rem;
}

.gallery__title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.gallery__description {
    color: var(--gray-700);
    font-size: 0.875rem;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--section-padding);
    background-color: var(--gray-50);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    /* Performance optimization for faster rendering */
    will-change: transform, opacity;
    contain: layout;
}

.about__description {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.about__features {
    display: grid;
    gap: 1rem;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--gray-700);
}

.about__feature i {
    color: var(--success-color);
    font-size: 1.125rem;
}

.about__image-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.about__image-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.about__image-placeholder p {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
}

/* ===== TRUST BADGES ===== */
.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--gray-300);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    text-align: center;
    flex-direction: column;
}

.trust-badge:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.trust-badge__icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-bottom: 0.5rem;
}

.trust-badge__content {
    text-align: center;
}

.trust-badge__number {
    display: block;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.trust-badge__text {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
}

/* Trust badges mobile */
@media (max-width: 768px) {
    .trust-badges {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-top: 2rem;
    }
    
    .trust-badge {
        padding: 1rem;
    }
    
    .trust-badge__icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .trust-badge__number {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .trust-badges {
        grid-template-columns: 1fr;
    }
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--section-padding);
    background-color: var(--white);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact__info {
    display: grid;
    gap: 2rem;
}

.contact__item {
    display: flex;
    gap: 1rem;
}

.contact__icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact__details h3 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.contact__details p {
    color: var(--gray-700);
    line-height: 1.5;
}

/* ===== GOOGLE MAPS ===== */
.contact__map {
    margin-top: 4rem;
}

.map__container {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-color: var(--gray-200);
}

.map__container iframe {
    display: block;
    filter: grayscale(20%) contrast(90%);
    transition: var(--transition);
}

.map__container:hover iframe {
    filter: grayscale(0%) contrast(100%);
}

.map__overlay {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    max-width: 300px;
    transition: var(--transition);
}

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

.map__info h3 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.map__info p {
    color: var(--gray-600);
    margin-bottom: 1rem;
    line-height: 1.5;
}

/* Mobile Maps */
@media (max-width: 768px) {
    .contact__map {
        margin-top: 2rem;
    }
    
    .map__container iframe {
        height: 300px;
    }
    
    .map__overlay {
        position: static;
        margin-top: 1rem;
        max-width: none;
    }
}

/* ===== FORMS ===== */
.form {
    display: grid;
    gap: 1.5rem;
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form__group {
    display: grid;
    gap: 0.5rem;
}

.form__label {
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form__input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--white);
}

.form__input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form__input::placeholder {
    color: var(--gray-400);
}

.form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.form__checkbox input {
    margin-top: 0.125rem;
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal__content {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal__title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
}

.modal__close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.5rem;
}

.modal__close:hover {
    color: var(--gray-700);
}

.modal .form {
    padding: 2rem;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--gray-900);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer__description {
    color: var(--gray-400);
    line-height: 1.6;
    margin-top: 1rem;
}

.footer__title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1rem;
    color: var(--white);
}

.footer__list {
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.footer__list a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-400);
    margin-bottom: 0.75rem;
}

.footer__contact-item i {
    color: var(--primary-color);
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    /* Navigation */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition);
        z-index: 1001;
    }
    
    .nav__menu.show-menu {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 2rem;
    }
    
    .nav__link {
        font-size: 1.125rem;
    }
    
    .nav__close,
    .nav__toggle {
        display: block;
    }
    
    .nav__close {
        position: absolute;
        top: 2rem;
        right: 2rem;
    }
    
    /* Typography */
    .section-title {
        font-size: 2rem;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    /* Layout */
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero__image-placeholder {
        width: 100%;
        max-width: 300px;
        height: 250px;
    }
    
    .process__grid {
        grid-template-columns: 1fr;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .about__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .form__row {
        grid-template-columns: 1fr;
    }
    
    .gallery__grid {
        grid-template-columns: 1fr;
    }
    
    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Buttons */
    .hero__buttons {
        justify-content: center;
    }
    
    .btn {
        justify-content: center;
    }
    
    /* Modal */
    .modal {
        padding: 1rem;
    }
    
    .modal__content {
        max-height: 95vh;
    }
    
    .modal__header,
    .modal .form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .stats__number {
        font-size: 2rem;
    }
    
    .stats__grid {
        grid-template-columns: 1fr;
    }
    
    .process__card,
    .service__card {
        padding: 1.5rem;
    }
    
    .gallery__filters {
        gap: 0.5rem;
    }
    
    .gallery__filter {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

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

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

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

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Faster animation for about section */
.about__content.fade-in {
    opacity: 0;
    transform: translateY(20px); /* Smaller movement for smoother effect */
    transition: opacity 0.4s ease, transform 0.4s ease; /* Faster transition */
}

.about__content.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* ===== WHATSAPP CHAT BUTTON ===== */
.whatsapp-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9998; /* Higher than modals, just below loading screen */
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.whatsapp-button {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-button i {
    font-size: 30px;
    color: white;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--gray-800);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--gray-800);
}

.whatsapp-chat:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.7);
    }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    /* WhatsApp Button */
    .whatsapp-chat {
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-button {
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-button i {
        font-size: 26px;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
    
    /* Loading Screen Mobile */
    .loading-content {
        padding: 1.5rem;
        max-width: 90%;
    }
    
    .loading-icon {
        width: 60px;
        height: 60px;
    }
    
    .loading-title {
        font-size: 1.75rem;
    }
    
    .loading-subtitle {
        font-size: 0.875rem;
    }
    
    /* Mobile Image Optimizations */
    .hero__image-placeholder {
        width: 100%;
        max-width: 280px;
        height: 200px;
    }
    
    .about__image-placeholder {
        width: 100%;
        max-width: 250px;
        height: 180px;
    }
    
    .gallery__item {
        height: 200px;
    }
    
    /* Reduce animations on mobile for better performance */
    * {
        animation-duration: 0.3s !important;
        animation-delay: 0s !important;
        transition-duration: 0.2s !important;
    }
    
    /* Disable expensive effects on mobile */
    .hero__image-placeholder,
    .about__image-placeholder {
        background: var(--primary-color) !important;
        box-shadow: none !important;
    }
    
    /* Optimize text rendering */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeSpeed;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .nav__toggle,
    .nav__close,
    .modal,
    .whatsapp-chat {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
        background: white;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .section-padding {
        --section-padding: 2rem 0;
    }
}