/* ===================================================
   DESKTOP IT Solutions - Modern Website Design
   Color Palette: Teal #0f645f, Gold #fbb616, Dark #0a1628
   =================================================== */

/* ===== CSS VARIABLES ===== */
:root {
    --primary: #0f645f;
    --primary-dark: #0a4a46;
    --primary-light: #1a8a84;
    --primary-rgb: 15, 100, 95;
    --accent: #fbb616;
    --accent-dark: #e5a510;
    --accent-rgb: 251, 182, 22;
    --dark: #0a1628;
    --dark-2: #131f35;
    --gray-900: #1a2332;
    --gray-800: #2d3748;
    --gray-700: #4a5568;
    --gray-600: #718096;
    --gray-500: #a0aec0;
    --gray-400: #cbd5e0;
    --gray-300: #e2e8f0;
    --gray-200: #edf2f7;
    --gray-100: #f7fafc;
    --white: #ffffff;
    --danger: #e74c3c;
    --success: #27ae60;

    --font-family: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 50px -12px rgba(0,0,0,0.15);
    --shadow-xl: 0 25px 60px -15px rgba(0,0,0,0.2);

    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;

    --header-height: 80px;
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    z-index: 10000;
    border-radius: var(--radius);
}
.skip-link:focus {
    top: 0.5rem;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 4rem;
}

.section__subtitle {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.08);
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.section__subtitle--light {
    color: var(--accent);
    background: rgba(var(--accent-rgb), 0.15);
}

.section__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 1rem;
}

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

.section__desc {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.8;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.4);
}

.btn--outline {
    border-color: var(--primary);
    color: var(--primary);
    background: transparent;
}
.btn--outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn--whatsapp {
    background: #25D366;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}
.btn--whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.btn--lg {
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
}

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

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition);
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.header--scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    background: rgba(255,255,255,0.95);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav__logo {
    display: flex;
    align-items: center;
    z-index: 10;
}

.nav__logo-img {
    height: 52px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.header--scrolled .nav__logo-img {
    height: 44px;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav__link {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.06);
}

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

.nav__cta {
    display: inline-flex;
    align-items: center;
    padding: 0.625rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-full);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.25);
}

.nav__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
}

.nav__toggle,
.nav__close {
    display: none;
    color: var(--gray-800);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f0faf9 0%, #e8f8f5 50%, #f5f0ff 100%);
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero__particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.particle--1 { width: 300px; height: 300px; background: var(--primary); top: 10%; right: -5%; animation-delay: 0s; }
.particle--2 { width: 200px; height: 200px; background: var(--accent); bottom: 20%; left: -3%; animation-delay: -5s; }
.particle--3 { width: 150px; height: 150px; background: var(--primary); top: 50%; left: 30%; animation-delay: -10s; }
.particle--4 { width: 80px; height: 80px; background: var(--accent); top: 20%; left: 20%; animation-delay: -3s; }
.particle--5 { width: 120px; height: 120px; background: var(--primary-light); bottom: 10%; right: 20%; animation-delay: -7s; }
.particle--6 { width: 60px; height: 60px; background: var(--accent); top: 40%; right: 40%; animation-delay: -12s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-30px) rotate(5deg); }
    50% { transform: translateY(20px) rotate(-3deg); }
    75% { transform: translateY(-15px) rotate(2deg); }
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 3rem 1.5rem;
    max-width: var(--container-max);
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    border: 1px solid var(--gray-200);
}

.badge__dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.9;
    margin-bottom: 2rem;
    max-width: 520px;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

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

.clients__avatars {
    display: flex;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-sm);
    border: 3px solid var(--white);
    margin-left: -10px;
}

.avatar:first-child { margin-left: 0; }

.clients__info {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.clients__info strong {
    color: var(--dark);
    font-size: var(--font-size-base);
}

.clients__stars {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-top: 2px;
}

.clients__stars span {
    font-weight: 700;
    color: var(--dark);
    margin-right: 4px;
}

/* Hero Visual / Illustration */
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__illustration {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
}

.tech-circle {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-circle__ring {
    position: absolute;
    border-radius: 50%;
    border: 2px dashed rgba(var(--primary-rgb), 0.15);
}

.tech-circle__ring--1 {
    width: 100%;
    height: 100%;
    animation: spin 30s linear infinite;
}

.tech-circle__ring--2 {
    width: 75%;
    height: 75%;
    animation: spin 25s linear infinite reverse;
    border-color: rgba(var(--accent-rgb), 0.15);
}

.tech-circle__ring--3 {
    width: 50%;
    height: 50%;
    animation: spin 20s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.tech-circle__core {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 40px rgba(var(--primary-rgb), 0.3);
    animation: pulse-core 3s ease-in-out infinite;
}

@keyframes pulse-core {
    0%, 100% { transform: scale(1); box-shadow: 0 10px 40px rgba(var(--primary-rgb), 0.3); }
    50% { transform: scale(1.05); box-shadow: 0 15px 50px rgba(var(--primary-rgb), 0.4); }
}

.floating-icon {
    position: absolute;
    width: 56px;
    height: 56px;
    background: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    animation: float-icon 6s ease-in-out infinite;
}

.floating-icon--1 { top: 10%; right: 15%; animation-delay: 0s; }
.floating-icon--2 { top: 15%; left: 10%; animation-delay: -1.5s; }
.floating-icon--3 { bottom: 15%; right: 10%; animation-delay: -3s; }
.floating-icon--4 { bottom: 10%; left: 15%; animation-delay: -4.5s; }

@keyframes float-icon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Hero Wave */
.hero__wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero__wave svg {
    width: 100%;
    height: 80px;
}

/* ===== PARTNERS MARQUEE ===== */
.partners {
    padding: 3rem 0;
    background: var(--white);
    overflow: hidden;
}

.partners__label {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    font-weight: 500;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.marquee {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee__track {
    display: flex;
    gap: 3rem;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.marquee__item {
    flex-shrink: 0;
    padding: 0.75rem 2rem;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-weight: 700;
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    border: 1px solid var(--gray-200);
    white-space: nowrap;
}

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

/* ===== ABOUT SECTION ===== */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about__visual {
    position: relative;
}

.about__image-wrapper {
    position: relative;
}

.about__pattern {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--primary) 1.5px, transparent 1.5px);
    background-size: 20px 20px;
    opacity: 0.1;
    border-radius: var(--radius-xl);
}

.about__illustration {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.about__illustration svg {
    width: 100%;
    height: auto;
}

.about__card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 2;
    border: 1px solid var(--gray-100);
}

.about__card--experience {
    top: -15px;
    left: -15px;
    text-align: center;
}

.about__card--projects {
    bottom: -15px;
    right: -15px;
    text-align: center;
}

.about__card-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.about__card-text {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    font-weight: 500;
}

.about__text {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.9;
    margin-bottom: 2rem;
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about__feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.about__feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(var(--primary-rgb), 0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about__feature h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.about__feature p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===== SERVICES ===== */
.services {
    background: var(--gray-100);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--primary-rgb), 0.2);
}

.service-card--featured {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: transparent;
    color: var(--white);
}

.service-card--featured:hover {
    border-color: transparent;
}

.service-card__badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--accent);
    color: var(--dark);
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    background: rgba(var(--primary-rgb), 0.08);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.service-card--featured .service-card__icon {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}

.service-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

.service-card--featured .service-card__title {
    color: var(--white);
}

.service-card__desc {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.service-card--featured .service-card__desc {
    color: rgba(255,255,255,0.8);
}

.service-card__features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.service-card__features li {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    padding-right: 1.25rem;
    position: relative;
}

.service-card--featured .service-card__features li {
    color: rgba(255,255,255,0.85);
}

.service-card__features li::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.service-card--featured .service-card__features li::before {
    background: var(--accent);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}

.service-card--featured .service-card__link {
    color: var(--accent);
}

.service-card__link:hover {
    gap: 0.75rem;
}

/* ===== STATS ===== */
.stats {
    position: relative;
    overflow: hidden;
}

.stats__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
}

.stats .container {
    position: relative;
    z-index: 1;
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
}

.stat-card__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    background: rgba(var(--accent-rgb), 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.stat-card__number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-card__number::before {
    content: '+';
}

.stat-card__label {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    font-weight: 500;
}

/* ===== PROCESS / HOW WE WORK ===== */
.process {
    background: var(--white);
}

.process__timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
}

.process__timeline::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(to left, var(--primary), var(--accent));
    z-index: 0;
}

.process__step {
    position: relative;
    text-align: center;
    z-index: 1;
}

.process__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    font-size: var(--font-size-2xl);
    font-weight: 900;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.3);
    position: relative;
}

.process__content h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.process__content p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== PROJECTS ===== */
.projects {
    background: var(--gray-100);
}

.projects__filter {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-600);
    background: var(--white);
    border-radius: var(--radius-full);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.projects__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

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

.project-card.hidden {
    display: none;
}

.project-card__image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-slow);
}

.project-card:hover .project-card__placeholder {
    transform: scale(1.05);
}

.project-card__content {
    padding: 1.5rem;
}

.project-card__tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.08);
    padding: 0.2rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
}

.project-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.project-card__desc {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: var(--white);
}

.testimonials__slider {
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonials__track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-card {
    flex: 0 0 100%;
    padding: 2.5rem;
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    margin: 0 0.5rem;
}

.testimonial-card__stars {
    display: flex;
    gap: 2px;
    margin-bottom: 1.5rem;
}

.testimonial-card__text {
    font-size: var(--font-size-lg);
    color: var(--gray-700);
    line-height: 1.9;
    margin-bottom: 1.5rem;
    font-style: italic;
}

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

.testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.testimonial-card__author strong {
    display: block;
    font-size: var(--font-size-base);
    color: var(--dark);
}

.testimonial-card__author span {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.testimonials__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.testimonials__btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--white);
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-700);
    transition: var(--transition);
}

.testimonials__btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.testimonials__dots {
    display: flex;
    gap: 0.5rem;
}

.testimonials__dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
    transition: var(--transition);
    cursor: pointer;
}

.testimonials__dots .dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: var(--radius-full);
}

/* ===== FAQ ===== */
.faq {
    background: var(--gray-100);
}

.faq__list {
    max-width: 750px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq__item {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--transition);
}

.faq__item[open] {
    border-color: rgba(var(--primary-rgb), 0.2);
    box-shadow: var(--shadow);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--dark);
    font-size: var(--font-size-base);
    list-style: none;
    transition: var(--transition);
}

.faq__question::-webkit-details-marker { display: none; }

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

.faq__arrow {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    color: var(--gray-500);
}

.faq__item[open] .faq__arrow {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq__answer {
    padding: 0 1.5rem 1.25rem;
    color: var(--gray-600);
    line-height: 1.8;
    font-size: var(--font-size-sm);
}

/* ===== CTA SECTION ===== */
.cta {
    background: var(--white);
}

.cta__card {
    position: relative;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-2xl);
    padding: 4rem;
    text-align: center;
    overflow: hidden;
}

.cta__content {
    position: relative;
    z-index: 1;
}

.cta__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta__text {
    font-size: var(--font-size-lg);
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.cta__buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta__card .btn--primary {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.cta__card .btn--primary:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.cta__decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta__circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}

.cta__circle--1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -50px;
}

.cta__circle--2 {
    width: 200px;
    height: 200px;
    bottom: -80px;
    left: -40px;
}

/* ===== CONTACT ===== */
.contact {
    background: var(--gray-100);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact__info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.contact__info-card:hover {
    box-shadow: var(--shadow);
    border-color: rgba(var(--primary-rgb), 0.2);
}

.contact__info-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(var(--primary-rgb), 0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact__info-card h3 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.15rem;
}

.contact__info-card a,
.contact__info-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.contact__info-card a:hover {
    color: var(--primary);
}

.contact__social {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-3px);
}

/* Contact Form */
.contact__form {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.form__group {
    margin-bottom: 1.25rem;
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.form__input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--dark);
    transition: var(--transition);
    outline: none;
}

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

.form__input:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.1);
}

.form__select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 1rem center;
    background-size: 18px;
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    padding: 4rem 0 0;
    color: var(--gray-400);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
    display: inline-block;
    margin-bottom: 1rem;
}

.footer__logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: var(--transition);
}

.footer__logo:hover .footer__logo-img {
    opacity: 0.85;
}

.footer__desc {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    color: var(--gray-500);
}

.footer__title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.25rem;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__links a {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--accent);
    padding-right: 5px;
}

.newsletter__form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter__input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--font-size-sm);
    outline: none;
    transition: var(--transition);
}

.newsletter__input::placeholder {
    color: var(--gray-500);
}

.newsletter__input:focus {
    border-color: var(--primary);
    background: rgba(255,255,255,0.12);
}

.newsletter__btn {
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
    flex-shrink: 0;
}

.newsletter__btn:hover {
    background: var(--primary-light);
}

.footer__bottom {
    padding: 1.5rem 0;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

/* ===== FLOATING ELEMENTS ===== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

@keyframes whatsapp-pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ===== ANIMATIONS ===== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-up"].animated { opacity: 1; transform: translateY(0); }
[data-animate="fade-down"] { transform: translateY(-30px); }
[data-animate="fade-down"].animated { opacity: 1; transform: translateY(0); }
[data-animate="fade-right"] { transform: translateX(-30px); }
[data-animate="fade-right"].animated { opacity: 1; transform: translateX(0); }
[data-animate="fade-left"] { transform: translateX(30px); }
[data-animate="fade-left"].animated { opacity: 1; transform: translateX(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__description {
        max-width: 100%;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__clients {
        justify-content: center;
    }

    .hero__visual {
        display: none;
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

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

    .process__timeline::before {
        display: none;
    }

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

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

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

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .section {
        padding: 4rem 0;
    }

    .section__title {
        font-size: var(--font-size-3xl);
    }

    .section__header {
        margin-bottom: 3rem;
    }

    /* Mobile Nav */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--white);
        box-shadow: -10px 0 30px rgba(0,0,0,0.15);
        padding: 5rem 2rem 2rem;
        transition: right 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 0;
    }

    .nav__link {
        display: block;
        padding: 0.875rem 1rem;
        font-size: var(--font-size-base);
        border-bottom: 1px solid var(--gray-100);
    }

    .nav__close {
        display: block;
        position: absolute;
        top: 1.5rem;
        left: 1.5rem;
        color: var(--gray-700);
    }

    .nav__toggle {
        display: block;
    }

    .nav__cta {
        display: none;
    }

    /* Mobile overlay */
    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 998;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .hero__title {
        font-size: var(--font-size-3xl);
    }

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

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

    .process__timeline {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

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

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cta__card {
        padding: 2.5rem 1.5rem;
    }

    .cta__title {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .hero__clients {
        flex-direction: column;
    }

    .contact__form {
        padding: 1.5rem;
    }

    .stat-card {
        padding: 1.5rem 1rem;
    }

    .stat-card__number {
        font-size: var(--font-size-3xl);
    }
}

/* ===== SELECTION ===== */
::selection {
    background: rgba(var(--primary-rgb), 0.15);
    color: var(--primary-dark);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}