/* ============================================
   LOCK-IN - SHARED STYLES
   Mobile-first, smooth animations, modern design
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700;900&display=swap');

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Brand Colors */
    --orange: #fa7921;
    --teal: #5dc0a4;
    --dark1: #0a0a0a;
    --dark2: #1a1a1a;
    --dark3: #2a2a2a;
    --light: #f9f9f9;
    --gray: rgba(249, 249, 249, 0.6);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-lg: 25px;
    --radius-full: 50px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(250, 121, 33, 0.3);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--dark1);
    color: var(--light);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */
.bg-animated {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: 
        radial-gradient(900px 700px at 20% 20%, rgba(250, 121, 33, 0.15), transparent 60%),
        radial-gradient(800px 700px at 80% 80%, rgba(93, 192, 164, 0.15), transparent 60%),
        linear-gradient(135deg, var(--dark1), var(--dark2));
    animation: gradientPulse 10s ease-in-out infinite alternate;
}

.bg-animated::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='1' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.5;
    animation: grainMove 8s steps(10) infinite;
}

@keyframes gradientPulse {
    0% { opacity: 1; }
    100% { opacity: 0.85; }
}

@keyframes grainMove {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -5%); }
    20% { transform: translate(-10%, 5%); }
    30% { transform: translate(5%, -10%); }
    40% { transform: translate(-5%, 15%); }
    50% { transform: translate(-10%, 5%); }
    60% { transform: translate(15%, 0); }
    70% { transform: translate(0, 10%); }
    80% { transform: translate(-15%, 0); }
    90% { transform: translate(10%, 5%); }
}

/* ============================================
   PAGE TRANSITIONS
   ============================================ */
.page-transition {
    animation: pageSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade elements in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

/* ============================================
   NAVIGATION
   ============================================ */
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(249, 249, 249, 0.1);
    padding: 1rem 0;
    transition: padding 0.3s ease, background 0.3s ease;
}

nav.scrolled {
    padding: 0.75rem 0;
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 900;
    letter-spacing: 0px;
    display: flex;
    align-items: center;
    gap: -10rem;
    text-decoration: none;
    position: relative;
    transition: transform var(--transition-fast);
}

.logo:active {
    transform: scale(0.95);
}

.logo-lock { 
    color: var(--light);
    text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.logo-in {
    background: linear-gradient(135deg, var(--orange), var(--teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-left: 5px;
}

.logo-bg {
    position: absolute;
    width: clamp(60px, 0vw, 0px);
    height: clamp(30px, 8vw, 20px);
    background: linear-gradient(135deg, var(--orange), var(--teal));
    opacity: 0.15;
    left: 80%;
    top: 50%;
    transform: translate(-50%, -50%) skewX(-15deg);
    z-index: -1;
    border-radius: 3px;
    transition: opacity var(--transition-normal);
}

.logo:hover .logo-bg {
    opacity: 0.25;
}

/* Nav Links */
.nav-links {
    display: flex;
    gap: clamp(1rem, 3vw, 2.5rem);
    align-items: center;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    font-size: clamp(0.9rem, 2vw, 1rem);
    transition: color var(--transition-normal);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--light);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--orange), var(--teal));
    transition: width var(--transition-normal);
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--light);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Space Grotesk', sans-serif;
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.btn:hover::before {
    transform: translateX(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--orange), var(--teal));
    color: var(--dark1);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(250, 121, 33, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(249, 249, 249, 0.05);
    color: var(--light);
    border: 2px solid rgba(249, 249, 249, 0.2);
}

.btn-secondary:hover {
    background: rgba(249, 249, 249, 0.1);
    border-color: rgba(249, 249, 249, 0.4);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 900;
    letter-spacing: -1px;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    letter-spacing: -3px;
}

h2 {
    font-size: clamp(2rem, 6vw, 4rem);
    letter-spacing: -2px;
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.gradient-text {
    background: linear-gradient(135deg, var(--orange), var(--teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   CONTAINERS & LAYOUT
   ============================================ */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(249, 249, 249, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(93, 192, 164, 0.3);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    color: var(--teal);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.form-input,
.form-select {
    width: 100%;
    background: rgba(249, 249, 249, 0.05);
    border: 2px solid rgba(249, 249, 249, 0.1);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    color: var(--light);
    font-size: 1rem;
    font-family: 'Space Grotesk', sans-serif;
    transition: all var(--transition-normal);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--teal);
    background: rgba(249, 249, 249, 0.08);
    box-shadow: 0 0 0 4px rgba(93, 192, 164, 0.1);
}

.form-input::placeholder {
    color: var(--gray);
}

/* ============================================
   MOBILE RESPONSIVENESS
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    /* Mobile Navigation */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
        border-bottom: 1px solid rgba(249, 249, 249, 0.1);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-links a {
        width: 100%;
        padding: 1rem;
        border-bottom: 1px solid rgba(249, 249, 249, 0.05);
        font-size: 1.1rem;
    }

    .nav-links a::after {
        display: none;
    }

    .btn-primary {
        width: 100%;
        text-align: center;
        margin-top: var(--spacing-sm);
    }

    /* Touch-friendly buttons */
    .btn {
        min-height: 48px;
        touch-action: manipulation;
    }

    /* Improved tap targets */
    a, button {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .nav-container {
        padding: 0 var(--spacing-sm);
    }

    .container {
        padding: var(--spacing-md) var(--spacing-sm);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
*:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }

/* Touch feedback */
@media (hover: none) {
    .btn:active,
    .card:active {
        transform: scale(0.98);
    }
}

/* ============================================
   SMOOTH SCROLLING ENHANCEMENTS
   ============================================ */
@supports (scroll-behavior: smooth) {
    html {
        scroll-padding-top: 80px;
    }
}

/* iOS momentum scrolling */
body {
    -webkit-overflow-scrolling: touch;
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--teal);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Apply animations */
.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-slideIn {
    animation: slideIn 0.4s ease-out;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}
/* ============================
   MOBILE MENU FIX
   ============================ */

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem;
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
  }

  .mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: 0.3s;
  }

  .mobile-menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
}