/* --- GLOBAL STYLES --- */
html { scroll-behavior: smooth; }
body {
    background: #f4f7fb;
    color: #111;
    overflow-x: hidden;
    font-family: 'Inter', 'Segoe UI', sans-serif;
    line-height: 1.75;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-title { font-size: clamp(2rem, 2.5vw, 3rem); margin-bottom: 24px; color: #0d0d0d; }

/* --- NAVIGATION --- */
.navbar {
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 84px;
}
.nav-inner { gap: 1rem; }
.logo { display: flex; align-items: center; gap: 16px; }
.logo-img { width: 48px; height: 48px; object-fit: contain; }
.brand-name { display: flex; flex-direction: column; line-height: 1.05; }
.brand-line1 { font-size: 0.9rem; font-weight: 700; color: #0055ff; }
.brand-line2 { font-size: 1rem; font-weight: 700; color: #111; }
.brand-line3 { font-size: 0.75rem; font-weight: 600; color: #5f6a82; letter-spacing: 1px; }
.nav-links { list-style: none; display: flex; gap: 32px; }
.nav-links a { color: #111; font-weight: 550; transition: color 0.3s ease, border-bottom 0.3s ease; }
.nav-links a:hover,
.nav-links a.active { color: #0055ff; border-bottom: 2px solid #0055ff; padding-bottom: 4px; }
.hamburger { display: none; font-size: 1.5rem; cursor: pointer; color: #111; transition: transform 0.3s ease; }
.hamburger.open { transform: rotate(90deg); }
.nav-links.active { display: flex; }

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(135deg, #111827 0%, #0d0d0d 55%);
    color: #fff;
    padding: 100px 0 60px;
    position: relative;
    overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 50px; align-items: center; }
.hero-text { max-width: 640px; }
.eyebrow { display: inline-block; margin-bottom: 18px; color: #7f9cf5; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.8rem; }
.hero h1 { font-size: clamp(2.8rem, 4vw, 4.4rem); line-height: 1.04; margin-bottom: 24px; }
.highlight { color: #60a5fa; }
.hero-copy { font-size: 1.05rem; max-width: 590px; margin-bottom: 32px; color: #d1d5db; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-panel {
    display: grid;
    gap: 24px;
    justify-items: center;
    align-items: center;
}
.hero-image-stack {
    display: grid;
    gap: 18px;
    width: min(100%, 360px);
    position: relative;
}
.hero-image-card {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 26px 55px rgba(15,23,42,0.18);
    background: #111827;
    border: 1px solid rgba(255,255,255,0.12);
    position: relative;
    z-index: 1;
    transition: transform 0.35s ease;
}
.hero-image-stack.home-stack .hero-image-card:nth-child(1) {
    transform: translateY(0) translateX(0);
    max-width: 100%;
}
.hero-image-stack.home-stack .hero-image-card:nth-child(2) {
    transform: translateY(-22px) translateX(18px);
    max-width: 85%;
    margin-left: auto;
}
.hero-image-stack.home-stack .hero-image-card:nth-child(3) {
    transform: translateY(-40px) translateX(-12px);
    max-width: 90%;
}
.hero-image-stack.services-stack .hero-image-card:nth-child(1) {
    transform: translateY(0) translateX(0);
    max-width: 100%;
}
.hero-image-stack.services-stack .hero-image-card:nth-child(2) {
    transform: translateY(-20px) translateX(24px);
    max-width: 84%;
    margin-left: auto;
}
.hero-image-stack.services-stack .hero-image-card:nth-child(3) {
    transform: translateY(-44px) translateX(-8px);
    max-width: 88%;
}
.hero-image-stack.contact-stack .hero-image-card:nth-child(1) {
    transform: translateY(0) translateX(0);
    max-width: 100%;
}
.hero-image-stack.contact-stack .hero-image-card:nth-child(2) {
    transform: translateY(-24px) translateX(20px);
    max-width: 84%;
    margin-left: auto;
}
.hero-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.hero-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 24px;
    padding: 32px;
    max-width: 420px;
    backdrop-filter: blur(18px);
}
.hero-card-label { display: inline-flex; padding: 8px 14px; border-radius: 999px; background: rgba(96,165,250,0.18); color: #bfdbfe; font-size: 0.8rem; margin-bottom: 18px; }
.hero-card h2 { font-size: 1.75rem; margin-bottom: 16px; }
.hero-card p { color: #d1d5db; margin-bottom: 24px; }
.hero-card-meta { display: flex; gap: 18px; flex-wrap: wrap; color: #cbd5e1; font-size: 0.95rem; }
.hero-card-meta i { color: #60a5fa; margin-right: 8px; }
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background: #f4f7fb;
    clip-path: ellipse(70% 100% at 50% 0%);
}

.page-header {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, #111827 0%, #0d0d0d 55%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.page-header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(96,165,250,0.22), transparent 30%), radial-gradient(circle at left center, rgba(255,255,255,0.08), transparent 25%);
    pointer-events: none;
}
.page-header .container {
    position: relative;
    z-index: 1;
}
.page-header h1 {
    font-size: clamp(2.5rem, 4vw, 3.8rem);
    margin-bottom: 18px;
}
.page-header p {
    max-width: 700px;
    font-size: 1.1rem;
    color: rgba(255,255,255,0.88);
}

.services-full {
    padding: 70px 0 90px;
}
.service-item-full {
    display: grid;
    grid-template-columns: 0.3fr 1.0fr;
    gap: 30px;
    align-items: center;
    background: #fff;
    border-radius: 24px;
    padding: 36px;
    margin-bottom: 24px;
    box-shadow: 0 20px 45px rgba(15,23,42,0.06);
}
.service-item-full.reverse { grid-template-columns: 1.0fr 0.3fr; }
.service-icon-large {
    width: 110px;
    height: 110px;
    border-radius: 28px;
    background: linear-gradient(135deg, #2563eb, #60a5fa);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 2.4rem;
}
.service-desc h2 { margin-bottom: 16px; font-size: 1.8rem; }
.service-desc p { color: #475569; line-height: 1.8; }

.contact-section {
    padding: 70px 0 90px;
}
.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 32px;
    align-items: start;
}
.contact-info-box,
.contact-form {
    background: #fff;
    border-radius: 24px;
    padding: 34px;
    box-shadow: 0 24px 55px rgba(15,23,42,0.08);
}
.contact-info-box h2 { font-size: 2.2rem; margin-bottom: 22px; }
.info-item { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; color: #334155; }
.info-item i { color: #2563eb; font-size: 1.2rem; }
.social-links { display: flex; gap: 16px; margin-top: 18px; }
.social-links a { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; background: #eff6ff; color: #2563eb; transition: transform 0.2s ease; }
.social-links a:hover { transform: translateY(-2px); }
.contact-form .form-group { display: grid; gap: 10px; margin-bottom: 18px; }
.contact-form label { color: #334155; font-weight: 700; }
.contact-form input,
.contact-form textarea { width: 100%; border: 1px solid #d2d6dc; border-radius: 16px; padding: 16px 18px; font-size: 1rem; color: #0f172a; background: #f8fafc; }
.contact-form textarea { resize: vertical; min-height: 170px; }
.full-width { width: 100%; }

.project-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: center;
    border-radius: 18px;
    margin-bottom: 22px;
}

/* --- REVEAL ANIMATION --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.85s ease, transform 0.85s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translate(0, 0);
}
.slide-in-left {
    transform: translateX(-45px);
}
.slide-in-right {
    transform: translateX(45px);
}
.slide-in-up {
    transform: translateY(45px);
}
.typed {
    display: inline-flex;
    flex-wrap: wrap;
    color: #d1d5db;
    min-height: 2.5rem;
}
.typed-text {
    display: inline;
}
.typing-cursor {
    display: inline-block;
    width: 1ch;
    animation: blink 1s steps(1) infinite;
    color: #d1d5db;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* --- BUTTONS --- */
.btn {
    padding: 14px 32px;
    border-radius: 999px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease;
    cursor: pointer;
    border: none;
}
.btn.primary { background: #2563eb; color: #fff; }
.btn.primary:hover { background: #1d4ed8; transform: translateY(-2px); }
.btn.secondary { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.22); }
.btn.secondary:hover { background: rgba(255,255,255,0.18); transform: translateY(-2px); }

/* --- STATS SECTION --- */
.stats-section {
    padding: 56px 0 32px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}
.stat-card {
    background: #fff;
    border-radius: 18px;
    padding: 34px 26px;
    text-align: center;
    box-shadow: 0 12px 25px rgba(15,23,42,0.08);
}
.stat-card span { display: block; font-size: 2.75rem; font-weight: 800; color: #111827; margin-bottom: 12px; }
.stat-card p { color: #475569; font-size: 1rem; }

/* --- SERVICES PREVIEW --- */
.services-preview { padding: 80px 0 70px; text-align: center; }
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px; }
.service-card { background: #fff; padding: 30px; border-radius: 20px; box-shadow: 0 20px 40px rgba(15,23,42,0.06); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.service-card:hover { transform: translateY(-10px); box-shadow: 0 24px 60px rgba(15,23,42,0.12); }
.service-card i { font-size: 2.7rem; color: #2563eb; margin-bottom: 18px; }
.service-card h3 { margin-bottom: 14px; font-size: 1.2rem; }
.service-card p { color: #475569; }

/* --- PROJECT TEMPLATES --- */
.projects-section {
    padding: 80px 0 60px;
}
.section-header { max-width: 720px; margin: 0 auto 42px; text-align: center; color: #334155; }
.section-header p { font-size: 1rem; line-height: 1.8; }
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}
.project-card {
    background: #fff;
    padding: 32px;
    border-radius: 22px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 18px 40px rgba(15,23,42,0.05);
    transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
    position: relative;
}
.project-card:nth-child(2) { transform: translateY(10px); }
.project-card:nth-child(3) { transform: translateY(20px); }
.project-card:nth-child(4) { transform: translateY(10px); }
.project-card:nth-child(5) { transform: translateY(0); }
.project-card:hover { transform: translateY(-8px) scale(1.01); border-color: #c7d2fe; box-shadow: 0 26px 55px rgba(15,23,42,0.12); z-index: 2; }
.project-icon {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: rgba(96,165,250,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    color: #2563eb;
    font-size: 1.4rem;
}
.project-card h3 { margin-bottom: 14px; }
.project-card p { color: #64748b; line-height: 1.8; }
.project-link { display: block; margin-top: 16px; color: #2563eb; font-size: 0.95rem; }
.projects-note { margin-top: 24px; font-size: 0.95rem; color: #64748b; }

/* --- ABOUT SECTION --- */
.about-section {
    padding: 80px 0;
}
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: start;
}
.about-copy h2 { font-size: 2.75rem; margin-bottom: 22px; }
.about-copy p { max-width: 680px; color: #475569; margin-bottom: 28px; }
.about-list { list-style: none; display: grid; gap: 16px; }
.about-list li { background: #fff; border-radius: 16px; padding: 22px 24px; box-shadow: 0 12px 30px rgba(15,23,42,0.05); color: #334155; }
.about-list strong { color: #0f172a; }
.about-stats { display: grid; gap: 20px; }
.about-box { background: #2563eb; color: #fff; border-radius: 20px; padding: 28px; box-shadow: 0 20px 40px rgba(37,99,235,0.12); }
.about-box h3 { margin-bottom: 12px; }
.about-box p { color: #e2e8f0; line-height: 1.75; }

/* --- TESTIMONIALS --- */
.testimonials-section {
    padding: 80px 0;
    background: #eef2ff;
}
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.testimonial-card {
    background: #fff;
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 20px 40px rgba(15,23,42,0.06);
}
.testimonial-card p { color: #334155; margin-bottom: 22px; line-height: 1.85; }
.testimonial-card span { color: #64748b; font-weight: 700; }

/* --- CTA SECTION --- */
.cta-section {
    padding: 70px 0 50px;
}
.cta-panel {
    background: #111827;
    color: #fff;
    border-radius: 26px;
    padding: 42px 36px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    box-shadow: 0 24px 60px rgba(15,23,42,0.18);
}
.cta-panel h2 { font-size: 2rem; margin-bottom: 10px; }
.cta-panel p { color: #cbd5e1; max-width: 620px; }

/* --- FOOTER --- */
footer { background: #0f172a; color: #cbd5e1; text-align: center; padding: 24px 0; font-size: 0.95rem; }

/* --- FLOATING WHATSAPP BUTTON --- */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; background: #25D366; color: #fff; width: 60px; height: 60px; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 2rem; box-shadow: 0 5px 15px rgba(0,0,0,0.3); z-index: 1000; transition: 0.3s; }
.whatsapp-float:hover { transform: scale(1.1); color: #fff; }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .hero-grid, .about-grid { grid-template-columns: 1fr; }
    .hero-panel { justify-content: center; }
    .hero-card { max-width: 100%; }
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 84px; left: 0; width: 100%; background: #fff; padding: 20px; box-shadow: 0 8px 24px rgba(15,23,42,0.15); }
    .nav-links.active { display: flex; }
    .nav-links li { text-align: center; margin: 16px 0; }
    .hero { padding-top: 90px; }
    .hero h1 { font-size: 2.6rem; }
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .projects-grid, .testimonial-grid, .stats-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; row-gap: 24px; }
    .contact-info-box { order: 2; }
    .contact-form { order: 1; }
    .hero-panel { width: 100%; }
    .hero-image-stack { width: 100%; }
    .hero-image-stack .hero-image-card { max-width: 100%; transform: translateY(0) translateX(0); }
    .cta-panel { flex-direction: column; text-align: center; }
    .cta-panel a { width: 100%; justify-content: center; }
    .stats-section { padding-top: 36px; }
}

@media (max-width: 540px) {
    .container { padding: 0 16px; }
    .hero { padding: 70px 0 40px; }
    .hero-copy { font-size: 1rem; }
    .hero-card { padding: 26px; }
    .stat-card { padding: 24px; }
    .about-copy h2 { font-size: 2rem; }
}