@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700;800&display=swap');

:root {
    --obsidian: #FAFAF9;
    --charcoal: #F5F5F4;
    --orange-glow: #EA580C;
}

.dark {
    --obsidian: #0A0A0A;
    --charcoal: #171717;
    --orange-glow: #FB923C;
}

body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

.mono { font-family: 'JetBrains Mono', monospace; }

/* Flat, Solid Surfaces (no blur/glass — plain cards with a soft shadow) */
.glass-header {
    background: rgba(248, 250, 252, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.dark .glass-header {
    background: rgba(11, 17, 32, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.glass-panel {
    background: #FFFFFF;
    border: 1px solid rgba(148, 163, 184, 0.2);
}
.dark .glass-panel {
    background: #131B2E;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card {
    background: #FFFFFF;
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.dark .glass-card {
    background: #111A2E;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: none;
}

.glass-card:hover {
    border-color: rgba(234, 88, 12, 0.35);
    box-shadow: 0 8px 24px -12px rgba(15, 23, 42, 0.12);
}
.dark .glass-card:hover {
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 8px 24px -12px rgba(0, 0, 0, 0.5);
}

/* Soft Accent Shadow (subtle depth, not glow) */
.shadow-neon-orange { box-shadow: 0 8px 20px -10px rgba(234, 88, 12, 0.4); }
.dark .shadow-neon-orange { box-shadow: 0 8px 20px -10px rgba(251, 146, 60, 0.35); }

/* Navigation Active State */
.nav-btn.active {
    background: rgba(234, 88, 12, 0.1);
    color: var(--orange-glow);
    border: 1px solid rgba(234, 88, 12, 0.3);
    font-weight: 700;
}
.dark .nav-btn.active {
    background: rgba(251, 146, 60, 0.12);
    border: 1px solid rgba(251, 146, 60, 0.3);
}

/* Tab View Transitions */
.tab-view {
    display: none;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}
.tab-view.active {
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: translateY(0);
}

/* =========================================================
   SOLUTIONS DROPDOWN ANIMATIONS
   ========================================================= */
@keyframes dropdownFade {
    0% { opacity: 0; transform: translateY(-8px) scale(0.96); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

.dropdown-menu.show {
    display: flex;
    animation: dropdownFade 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* =========================================================
   2-LINE HAMBURGER TO 'X' ANIMATION
   ========================================================= */
.glass-pill-box {
    background: #F1F5F9;
    border: 1px solid rgba(148, 163, 184, 0.3);
}
.dark .glass-pill-box {
    background: #131B2E;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-pill-box:hover, .glass-pill-box.open {
    border-color: var(--orange-glow);
    transform: translateY(-1px);
}
.glass-pill-box:active { transform: scale(0.96); }

.hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background-color: #0F172A;
    border-radius: 4px;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), 
                top 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), 
                background-color 0.3s ease, width 0.3s ease;
    position: absolute;
}
.dark .hamburger-line { background-color: #F8FAFC; }

.line-top { top: 0px; }
.line-bottom { top: 12px; width: 14px; align-self: flex-end; }

#hamburger-btn:hover .line-bottom, #hamburger-btn:hover .line-top {
    width: 20px;
    background-color: var(--orange-glow);
}

#hamburger-btn.open .line-top {
    top: 6px;
    transform: rotate(45deg);
    background-color: var(--orange-glow);
    width: 20px;
}

#hamburger-btn.open .line-bottom {
    top: 6px;
    transform: rotate(-45deg);
    background-color: var(--orange-glow);
    width: 20px;
}

/* =========================================================
   FLOATING SPATIAL COMMAND DRAWER (MOBILE DROPDOWN)
   ========================================================= */
.spatial-drawer {
    background: #FFFFFF;
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.15);
}
.dark .spatial-drawer {
    background: #0F1728;
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.7);
}

.drawer-link {
    width: 100%;
    padding: 10px 12px;
    border-radius: 16px;
    background: transparent;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.drawer-link:hover, .drawer-link:active {
    background: rgba(15, 23, 42, 0.05);
    transform: translateX(4px);
}
.dark .drawer-link:hover, .dark .drawer-link:active {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

@keyframes drawerSlide {
    0% { opacity: 0; transform: translateY(-12px) scale(0.98); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}
.animate-drawer-slide { animation: drawerSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

/* =========================================================
   SIDE PORTRAIT PHOTO — bleeds off the page edge, feathers on
   the top, right and bottom so it blends into the surrounding page
   ========================================================= */
.side-photo-fade {
    mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent),
                linear-gradient(to right, black 55%, transparent 92%);
    mask-composite: intersect;
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent),
                         linear-gradient(to right, black 55%, transparent 92%);
    -webkit-mask-composite: source-in;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--obsidian); }
::-webkit-scrollbar-thumb { background: #94A3B8; border-radius: 4px; }
.dark ::-webkit-scrollbar-thumb { background: #1E293B; }
::-webkit-scrollbar-thumb:hover { background: var(--orange-glow); }