/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* ===== NAV ===== */
.nav {
    background: transparent;
    transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}
.nav.scrolled {
    background: rgba(20, 31, 42, 0.95);
    backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #B85446;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* ===== HERO ===== */
.hero-bg { will-change: transform; }
.hero-img {
    transform: scale(1.05);
    transition: transform 8s ease-out;
}
.hero-bg.loaded .hero-img { transform: scale(1); }
.hero-overlay {
    background: linear-gradient(
        135deg,
        rgba(20, 31, 42, 0.88) 0%,
        rgba(20, 31, 42, 0.72) 50%,
        rgba(20, 31, 42, 0.55) 100%
    );
}
.hero-badge {
    animation: fadeInDown 0.8s ease both;
}
.hero-headline {
    animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-subtext {
    animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-ctas {
    animation: fadeInUp 0.8s ease 0.6s both;
}
.hero-stats {
    animation: fadeInUp 0.8s ease 0.8s both;
}
.hero-scroll {
    animation: fadeInUp 0.8s ease 1s both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.scroll-indicator {
    animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ===== SECTION LABELS ===== */
.section-label {
    position: relative;
}

/* ===== BUTTONS ===== */
.btn-primary {
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
    position: relative;
    overflow: hidden;
}
.btn-secondary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.05);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.btn-secondary:hover::before { opacity: 1; }

/* ===== STATS ===== */
.stat-item {
    position: relative;
}
.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}
@media (max-width: 767px) {
    .stat-item:not(:last-child)::after { display: none; }
}

/* ===== SERVICE CARDS ===== */
.services-grid {
    display: grid;
    gap: 1.5rem;
}
@media (min-width: 768px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ===== GALLERY ===== */
.gallery-grid {
    display: grid;
    gap: 1.25rem;
}
@media (min-width: 768px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

.gallery-item { position: relative; overflow: hidden; border-radius: 0.75rem; cursor: pointer; }
.gallery-item img { transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.gallery-overlay {
    opacity: 0;
    transition: opacity 0.5s ease;
    border-radius: 0.75rem;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
    display: grid;
    gap: 1.5rem;
}
@media (min-width: 768px) {
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

/* ===== FORM ===== */
.input {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input:focus {
    border-color: #B85446 !important;
    box-shadow: 0 0 0 3px rgba(184, 84, 70, 0.15) !important;
}
.input::placeholder { color: #94a3b8; }

.btn-submit {
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(184, 84, 70, 0.35);
}
.btn-submit:active {
    transform: translateY(0);
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
    .hero-img { transform: scale(1); }
    .hero-bg.loaded .hero-img { transform: scale(1); }
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
    transition: max-height 0.35s ease, opacity 0.35s ease;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}
#mobile-menu.open {
    max-height: 500px;
    opacity: 1;
}
.mobile-link {
    transition: color 0.2s ease, padding-left 0.2s ease;
}
.mobile-link:hover {
    color: #fff;
    padding-left: 0.5rem;
}

/* ===== SECTION SPACING ===== */
.section-header .reveal:nth-child(1) { transition-delay: 0s; }
.section-header .reveal:nth-child(2) { transition-delay: 0.1s; }
.section-header .reveal:nth-child(3) { transition-delay: 0.2s; }

/* ===== UTILITY ===== */
@media (min-width: 1024px) {
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}