/* ==========================================================================
   BEZENGIN MASTER HUB — LUXURY EXECUTIVE DESIGN SYSTEM
   Kurucu & Baş Sistem Mimarı: Batuhan Emre Zengin
   Primary Typography: Plus Jakarta Sans (Fintech / Silicon Valley Executive)
   Core Theme: Obsidian Slate Luxury with Dedicated Platform Brand Accents
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,700&display=swap');

:root {
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    
    --flow-emerald: #059669;
    --rbx-rose: #e11d48;
    --live-indigo: #4f46e5;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after,
html, body, button, input, select, textarea, optgroup,
h1, h2, h3, h4, h5, h6,
p, a, span, label, div, code, pre, small, strong, b {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    color-scheme: light;
    background-color: var(--bg-base);
    /* Mobile/Tablet: Continuous natural scrolling (NO snap) */
    scroll-snap-type: none;
}

.section-snap {
    /* Mobile/Tablet: Natural height & flow, free continuous scrolling */
    scroll-snap-align: none;
    scroll-snap-stop: normal;
    min-height: auto;
    height: auto;
    max-height: none;
    overflow: visible;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding-top: 56px;
    padding-bottom: 48px;
    position: relative;
    box-sizing: border-box;
}

/* DESKTOP ONLY (min-width: 1024px): Executive Full-Page Section-by-Section Snap */
@media (min-width: 1024px) {
    html {
        scroll-snap-type: y mandatory;
        scroll-padding-top: 0px;
    }

    .section-snap {
        scroll-snap-align: start;
        scroll-snap-stop: always;
        height: 100vh;
        max-height: 100vh;
        min-height: 100vh;
        overflow: hidden;
        justify-content: center;
        align-items: center;
        padding-top: 68px;
        padding-bottom: 16px;
    }
}

body {
    background-color: var(--bg-base);
    color: var(--text-secondary);
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Executive Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 6px;
    border: 2px solid #f1f5f9;
}
::-webkit-scrollbar-thumb:hover {
    background: #0f172a;
}

::selection {
    background: rgba(15, 23, 42, 0.15);
    color: #0f172a;
}

/* Headings Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    letter-spacing: -0.035em;
    color: #0f172a;
}

/* ==========================================================================
   PRESTIGIOUS BRAND GRADIENTS (3-PLATFORM HARMONY: FLOW, LIVE, RBX)
   ========================================================================== */
.text-gradient-spectrum {
    background: linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-gradient-spectrum {
    background: linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
}

.hover-spectrum-text {
    background: linear-gradient(135deg, #475569 0%, #475569 40%, #059669 55%, #6366f1 75%, #f43f5e 100%);
    background-size: 250% 100%;
    background-position: 0% 0%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    transition: background-position 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s ease;
    display: inline-block;
}

.hover-spectrum-text:hover {
    background-position: 100% 0%;
}

.text-gradient-founder {
    background: linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-emerald {
    background: linear-gradient(135deg, #047857 0%, #059669 40%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-rose {
    background: linear-gradient(135deg, #4c0519 0%, #be123c 35%, #e11d48 75%, #f43f5e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-indigo {
    background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 35%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Header Navigation Links: Uniform Slate by Default, Spectrum Slide on Hover */
.nav-link-base,
.nav-link-flow,
.nav-link-rbx,
.nav-link-live {
    background: linear-gradient(135deg, #475569 0%, #475569 40%, #059669 55%, #6366f1 75%, #f43f5e 100%);
    background-size: 250% 100%;
    background-position: 0% 0%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    transition: background-position 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s ease;
    display: inline-block;
}

.nav-link-base:hover,
.nav-link-flow:hover,
.nav-link-rbx:hover,
.nav-link-live:hover {
    background-position: 100% 0%;
}

/* Subtle Cyber Grid & Ambient Gradient */
.bg-grid-light-cyber {
    background-size: 36px 36px;
    background-image: 
        linear-gradient(to right, rgba(15, 23, 42, 0.035) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15, 23, 42, 0.035) 1px, transparent 1px);
}

/* Minimalist Executive Header */
.glass-nav-minimal {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.85);
}

/* ==========================================================================
   EXECUTIVE 5-PLATFORM COMMAND HUB (CLEAN SYMMETRICAL ARCHITECTURE)
   ========================================================================== */
.executive-hub-stage {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 28px;
    box-shadow: 0 20px 50px -12px rgba(15, 23, 42, 0.07), 0 8px 20px -4px rgba(0, 0, 0, 0.03);
    position: relative;
    width: 100%;
    padding: 18px 16px;
}

@media (min-width: 1024px) {
    .executive-hub-stage {
        padding: 20px 24px;
    }
}

/* Hub Platform Cards */
.hub-card-clean {
    background: #ffffff;
    border-radius: 24px;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 8px 24px -6px rgba(15, 23, 42, 0.06), 0 2px 8px -2px rgba(0, 0, 0, 0.02);
    position: relative;
    overflow: hidden;
    z-index: 10;
}

.hub-card-clean:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.12), 0 8px 16px -4px rgba(0, 0, 0, 0.04) !important;
}

.hub-card-clean.card-focused {
    transform: translateY(-6px) scale(1.02) !important;
    box-shadow: 0 25px 50px -10px rgba(15, 23, 42, 0.25), 0 0 0 3px rgba(15, 23, 42, 0.3) !important;
}

/* 45-Degree Diagonal Corner Ribbon Badges */
.corner-ribbon-wrapper {
    position: absolute;
    top: 0;
    right: 0;
    width: 92px;
    height: 92px;
    overflow: hidden;
    pointer-events: none;
    z-index: 30;
}

.corner-ribbon {
    position: absolute;
    top: 15px;
    right: -28px;
    width: 108px;
    padding: 3.5px 0;
    transform: rotate(45deg);
    text-align: center;
    font-size: 8.5px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.18);
    line-height: 1.2;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff !important;
}

/* 1. Flow: Emerald Green (YENİ) */
.corner-ribbon-flow {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.45);
    animation: ribbonFlowGlow 2s ease-in-out infinite alternate;
}

@keyframes ribbonFlowGlow {
    from {
        box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
        filter: brightness(1);
    }
    to {
        box-shadow: 0 0 14px rgba(16, 185, 129, 0.8), 0 2px 8px rgba(16, 185, 129, 0.6);
        filter: brightness(1.15);
    }
}

/* 2. RBX: Rose Red (YAKINDA) */
.corner-ribbon-rbx {
    background: linear-gradient(135deg, #be123c 0%, #f43f5e 100%);
    box-shadow: 0 2px 8px rgba(244, 63, 94, 0.4);
}

/* 3. Live: Indigo (YAKINDA) */
.corner-ribbon-live {
    background: linear-gradient(135deg, #4338ca 0%, #6366f1 100%);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

/* Center Founder Orb (Clean Executive Core with Vibrant 3-Platform Halo) */
.founder-orb-master {
    background: #ffffff;
    border: 3.5px solid transparent;
    background-image: linear-gradient(#ffffff, #ffffff), linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    border-radius: 9999px;
    box-shadow: 0 0 35px 8px rgba(99, 102, 241, 0.16), 0 0 25px 6px rgba(16, 185, 129, 0.25), 0 10px 25px -6px rgba(15, 23, 42, 0.1);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    width: 184px;
    height: 184px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px;
    position: relative;
    z-index: 20;
}

.founder-orb-master:hover {
    transform: scale(1.05);
    box-shadow: 0 0 55px 15px rgba(99, 102, 241, 0.3), 0 0 40px 10px rgba(16, 185, 129, 0.35), 0 20px 40px -10px rgba(15, 23, 42, 0.2);
}

/* Conduit Lines and Laser Beams */
.conduit-line-bg {
    stroke-width: 3;
    fill: none;
    opacity: 0.3;
}

.conduit-line-pulse {
    stroke-width: 3.5;
    fill: none;
    stroke-dasharray: 12 16;
    animation: flowLaser 1.6s linear infinite;
}

@keyframes flowLaser {
    from { stroke-dashoffset: 56; }
    to { stroke-dashoffset: 0; }
}

/* Audio Player Styling */
.music-player-pill {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 4px 15px -3px rgba(15, 23, 42, 0.08);
}

.btn-music-toggle {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
    background-size: 220% 220%;
    background-position: 0% 50%;
    border: none;
    outline: none;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
    flex-shrink: 0;
    transition: background-position 0.65s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-music-toggle:hover {
    transform: scale(1.08);
    background-position: 100% 50%;
    box-shadow: 0 8px 22px rgba(99, 102, 241, 0.45), 0 4px 12px rgba(244, 63, 94, 0.35);
    transition: background-position 0.65s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-music-toggle svg {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-music-toggle:hover svg {
    transform: scale(1.15);
}

.equalizer-bar {
    display: inline-block;
    width: 3px;
    background: #334155;
    border-radius: 3px;
    animation: eqBounce 1.2s ease-in-out infinite alternate;
}

.equalizer-bar:nth-child(1) { height: 8px; animation-delay: 0.1s; }
.equalizer-bar:nth-child(2) { height: 16px; animation-delay: 0.3s; }
.equalizer-bar:nth-child(3) { height: 11px; animation-delay: 0.2s; }
.equalizer-bar:nth-child(4) { height: 18px; animation-delay: 0.4s; }

.paused .equalizer-bar {
    animation-play-state: paused;
    height: 4px !important;
}

@keyframes eqBounce {
    0% { height: 4px; }
    100% { height: 18px; }
}

/* Luxury Interactive Buttons with Permanent Spectrum Gradient & Dynamic Hover */
.btn-luxury-apple {
    background: linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
    background-size: 220% 220%;
    background-position: 0% 50%;
    border: none;
    outline: none;
    color: #ffffff !important;
    font-weight: 800;
    letter-spacing: -0.01em;
    border-radius: 14px;
    position: relative;
    z-index: 1;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35), 0 2px 8px rgba(5, 150, 105, 0.3);
    transition: background-position 0.65s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-luxury-apple:hover {
    background-position: 100% 50%;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -3px rgba(99, 102, 241, 0.5), 0 4px 14px rgba(244, 63, 94, 0.4);
    color: #ffffff !important;
    transition: background-position 0.65s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-luxury-apple svg {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-luxury-apple:hover svg {
    transform: translate(2px, -2px);
}

.btn-luxury-emerald {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    color: #ffffff !important;
    font-weight: 800;
    letter-spacing: -0.01em;
    box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.35);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-luxury-emerald:hover {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 15px 30px -5px rgba(16, 185, 129, 0.5);
    transform: translateY(-2px);
    color: #ffffff !important;
}

.btn-luxury-indigo {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    color: #ffffff !important;
    font-weight: 800;
    letter-spacing: -0.01em;
    box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.35);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-luxury-indigo:hover {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    box-shadow: 0 15px 30px -5px rgba(79, 70, 229, 0.5);
    transform: translateY(-2px);
    color: #ffffff !important;
}

/* ==========================================================================
   EXECUTIVE SECTION-BY-SECTION SNAP & FLOATING DOT NAVIGATION
   ========================================================================== */
.snap-nav-dots {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 14px 10px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 9999px;
    box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.1);
}

.snap-nav-dot {
    width: 10px;
    height: 10px;
    border-radius: 9999px;
    background: #cbd5e1;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    cursor: pointer;
    border: none;
    outline: none;
}

.snap-nav-dot:hover {
    background: #64748b;
    transform: scale(1.35);
}

.snap-nav-dot.active {
    background: linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
    transform: scale(1.4);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
}

.snap-nav-dot[data-color="spectrum"].active {
    background: linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
    box-shadow: 0 0 14px rgba(244, 63, 94, 0.7);
}

.snap-nav-dot[data-color="emerald"].active {
    background: #059669;
    box-shadow: 0 0 14px rgba(16, 185, 129, 0.85);
}

.snap-nav-dot[data-color="rose"].active {
    background: #f43f5e;
    box-shadow: 0 0 14px rgba(244, 63, 94, 0.85);
}

.snap-nav-dot[data-color="indigo"].active {
    background: #6366f1;
    box-shadow: 0 0 14px rgba(99, 102, 241, 0.85);
}

.snap-nav-dot[data-color="founder"].active {
    background: linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
    box-shadow: 0 0 14px rgba(99, 102, 241, 0.85);
}

.snap-nav-dot[data-color="contact"].active {
    background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
    box-shadow: 0 0 14px rgba(51, 65, 85, 0.85);
}

.snap-nav-dot[data-color="footer"].active {
    background: linear-gradient(135deg, #059669 0%, #6366f1 50%, #f43f5e 100%);
    box-shadow: 0 0 14px rgba(99, 102, 241, 0.85);
}

.snap-nav-dot .dot-tooltip {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: #0f172a;
    color: #ffffff;
    font-size: 11px;
    font-weight: 800;
    padding: 5px 12px;
    border-radius: 10px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.snap-nav-dot:hover .dot-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

@media (max-width: 1023px) {
    .snap-nav-dots {
        display: none;
    }
}