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/* Base                                           */
/* ══════════════════════════════════════════════ */
html { scroll-behavior: smooth; }

/* Account for fixed navbar on anchor scroll */
#hero, #about, #contact {
    scroll-margin-top: 80px;
}

.material-symbols-outlined {
    font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
}

/* ══════════════════════════════════════════════ */
/* Layout helpers                                 */
/* ══════════════════════════════════════════════ */
.brick-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 640px) {
    .brick-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
.brick-item:nth-child(odd) {
    transform: none;
}
@media (min-width: 640px) {
    .brick-item:nth-child(odd) {
        transform: translateY(1.5rem);
    }
}
.brutalist-border {
    border: 1px solid #292524;
}
.glass-panel {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* ══════════════════════════════════════════════ */
/* Background images                              */
/* ══════════════════════════════════════════════ */
.bg-top-half {
    background-image: url('../assets/bg-hero.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.bg-bottom-half {
    background-image: url('../assets/bg-bottom.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

/* ══════════════════════════════════════════════ */
/* Section separator                              */
/* ══════════════════════════════════════════════ */
.section-separator {
    position: relative;
    height: 80px;
    background: linear-gradient(to bottom, #f8f7f6, #f1ebe3);
    overflow: hidden;
}
.section-separator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(184, 135, 47, 0.3), transparent);
}
.section-separator::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(184, 135, 47, 0.3), transparent);
}
.section-separator .sep-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5efe7;
    border-radius: 50%;
    border: 1px solid rgba(184, 135, 47, 0.2);
}

/* ══════════════════════════════════════════════ */
/* Scroll-triggered reveal animations             */
/* ══════════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger-children .reveal:nth-child(2) { transition-delay: 100ms; }
.stagger-children .reveal:nth-child(3) { transition-delay: 200ms; }
.stagger-children .reveal:nth-child(4) { transition-delay: 300ms; }
.stagger-children .reveal:nth-child(5) { transition-delay: 400ms; }
.stagger-children .reveal:nth-child(6) { transition-delay: 500ms; }

/* ══════════════════════════════════════════════ */
/* Hero entrance keyframes                        */
/* ══════════════════════════════════════════════ */
@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(50px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-80px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(80px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(184, 135, 47, 0.4); }
    50%      { box-shadow: 0 0 20px 8px rgba(184, 135, 47, 0.15); }
}

.hero-title    { animation: slideInLeft  1s   cubic-bezier(0.16, 1, 0.3, 1) 0.2s  both; }
.hero-subtitle { animation: heroFadeUp   0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.5s  both; }
.hero-video-wrapper { animation: scaleIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.7s both; }
.hero-specs-header { animation: slideInRight 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both; }
.hero-brick-1 { animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.5s  both; }
.hero-brick-2 { animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.65s both; }
.hero-brick-3 { animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.8s  both; }
.hero-brick-4 { animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.95s both; }
.hero-brick-5 { animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 1.1s  both; }
.hero-brick-6 { animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 1.25s both; }

/* ══════════════════════════════════════════════ */
/* Mobile hamburger                               */
/* ══════════════════════════════════════════════ */
#burger-btn.open .burger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
#burger-btn.open .burger-line:nth-child(2) {
    opacity: 0;
}
#burger-btn.open .burger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ══════════════════════════════════════════════ */
/* Navbar                                         */
/* ══════════════════════════════════════════════ */
.nav-bar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.3s ease;
}
.nav-bar.scrolled {
    background-color: rgba(248, 247, 246, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Nav phone button */
.nav-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border: 2px solid #b8872f;
    border-radius: 9999px;
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: #b8872f;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: color 0.4s ease, background-color 0.4s ease, box-shadow 0.4s ease, transform 0.3s ease;
}
.nav-phone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: #b8872f;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 0;
}
.nav-phone:hover::before {
    transform: scaleX(1);
}
.nav-phone:hover {
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(184, 135, 47, 0.35);
    transform: translateY(-1px);
}
.nav-phone-icon,
.nav-phone-number {
    position: relative;
    z-index: 1;
}
.nav-phone-icon {
    font-size: 1.15rem;
    animation: phoneRing 2.5s ease-in-out infinite;
}
@keyframes phoneRing {
    0%, 100% { transform: rotate(0deg); }
    5%       { transform: rotate(15deg); }
    10%      { transform: rotate(-15deg); }
    15%      { transform: rotate(12deg); }
    20%      { transform: rotate(-8deg); }
    25%      { transform: rotate(0deg); }
}

/* Nav link underline */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #b8872f;
    transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}
.nav-link.active {
    color: #b8872f;
}

/* Nav logo */
.nav-logo {
    position: relative;
    padding: 8px 16px;
    border: 2px solid #292524;
    background: #292524;
    color: #b8872f;
    letter-spacing: 0.05em;
    box-shadow: 4px 4px 0 #b8872f;
    transition: box-shadow 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}
.nav-logo:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 #b8872f;
    background: #1c1917;
}

/* Language switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    border: 1px solid #d6d3d1;
    border-radius: 6px;
    overflow: hidden;
}
.lang-btn {
    padding: 4px 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #78716c;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.3s ease, background-color 0.3s ease;
}
.lang-btn:hover {
    color: #b8872f;
    background: rgba(184, 135, 47, 0.08);
}
.lang-btn.active {
    color: #ffffff;
    background: #b8872f;
}

/* Nav gallery button */
.nav-gallery {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.25rem;
    border: 1.5px solid #44403c;
    border-radius: 4px;
    color: #44403c;
    background: transparent;
    transition: color 0.4s ease, background-color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease, transform 0.3s ease;
}
.nav-gallery:hover {
    color: #ffffff;
    background-color: #44403c;
    border-color: #44403c;
    box-shadow: 0 4px 20px rgba(68, 64, 60, 0.3);
    transform: translateY(-1px);
}

/* ══════════════════════════════════════════════ */
/* Play button                                    */
/* ══════════════════════════════════════════════ */
.play-btn {
    animation: pulseGlow 2.5s ease-in-out infinite;
}

/* ══════════════════════════════════════════════ */
/* Video Slider / Frame                           */
/* ══════════════════════════════════════════════ */
.video-frame {
    border: 2px solid #b8872f;
    border-radius: 0.5rem;
}
.video-frame-bar {
    border-top: 1px solid rgba(184, 135, 47, 0.2);
    border-bottom: 1px solid rgba(184, 135, 47, 0.2);
}
.video-slide video {
    background: #1a1a1a;
}

/* ══════════════════════════════════════════════ */
/* Gallery cards                                  */
/* ══════════════════════════════════════════════ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

.gallery-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.5s ease;
}
.gallery-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

/* ══════════════════════════════════════════════ */
/* CTA button                                     */
/* ══════════════════════════════════════════════ */
.cta-btn {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s ease;
}
.cta-btn:hover::before {
    left: 100%;
}
.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(184, 135, 47, 0.35);
}

/* ══════════════════════════════════════════════ */
/* Brick item hover                               */
/* ══════════════════════════════════════════════ */
.brick-item {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s ease,
                background-color 0.3s ease;
}
.brick-item:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
@media (min-width: 640px) {
    .brick-item:nth-child(odd):hover {
        transform: translateY(calc(1.5rem - 4px));
    }
    .brick-item:nth-child(even):hover {
        transform: translateY(-4px);
    }
}