/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Lato', 'Helvetica Neue', Arial, sans-serif;
    color: #1a2744;
    background-color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ── Utility ── */
.section-padding {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

@media (max-width: 767px) {
    .section-padding {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }
}

@media (min-width: 1024px) {
    .section-padding {
        padding-top: 8rem;
        padding-bottom: 8rem;
    }
}

/* ── Header ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(10, 22, 40, 0.06);
    transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
    box-shadow: 0 1px 20px rgba(10, 22, 40, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #c9a84c;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* ── Buttons ── */
.btn-gold {
    background: #c9a84c;
    color: #0a1628;
    border: 2px solid #c9a84c;
    transition: all 0.3s ease;
}

.btn-gold:hover {
    background: #b8953f;
    border-color: #b8953f;
    color: #0a1628;
}

.btn-outline-light {
    background: transparent;
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    border-color: #c9a84c;
    color: #c9a84c;
    background: rgba(201, 168, 76, 0.05);
}

/* ── Hero ── */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 22, 40, 0.88) 0%,
        rgba(15, 33, 64, 0.82) 40%,
        rgba(21, 45, 86, 0.72) 100%
    );
}

.hero-content {
    padding-top: 5rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(201, 168, 76, 0.6), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-text {
    letter-spacing: 0.2em;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(0.7); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ── Service Cards ── */
.service-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(201, 168, 76, 0.3);
    transform: translateY(-4px);
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

/* ── Input Fields ── */
.input-field {
    border: 1px solid rgba(10, 22, 40, 0.15);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    font-family: 'Lato', sans-serif;
    font-size: 0.9375rem;
    color: #1a2744;
    background: #ffffff;
    transition: all 0.2s ease;
    outline: none;
    width: 100%;
}

.input-field::placeholder {
    color: rgba(26, 39, 68, 0.35);
}

.input-field:focus {
    border-color: #c9a84c;
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
}

.input-field:hover:not(:focus) {
    border-color: rgba(10, 22, 40, 0.3);
}

/* ── Mobile Menu ── */
.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav-link {
    font-size: 1.75rem;
    transition: color 0.2s ease;
}

/* ── Scroll Reveal ── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-up {
    transform: translateY(0);
}

.reveal-left {
    transform: translateX(0);
}

.reveal-right {
    transform: translateX(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
    }

    .reveal-left {
        opacity: 0;
        transform: translateX(-30px);
    }

    .reveal-right {
        opacity: 0;
        transform: translateX(30px);
    }

    .reveal-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
        opacity: 1;
        transform: none;
    }
}

/* ── Back to Top ── */
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

/* ── Form Error States ── */
.input-field.error {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* ── Responsive Tweaks ── */
@media (max-width: 767px) {
    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.15;
    }

    .hero-content {
        text-align: center;
        padding-top: 6rem;
    }

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

    .hero-scroll-indicator {
        display: none;
    }
}