@tailwind base;
@tailwind components;
@tailwind utilities;

@layer components {

    /* ===== BUTTONS ===== */
    .btn-primary {
        @apply inline-block px-8 py-3 bg-black text-white dark:bg-white dark:text-black font-bold uppercase tracking-wider hover:bg-transparent hover:text-black dark:hover:text-white transition-all duration-300 rounded-none border-2 border-black dark:border-white text-xs md:text-sm;
    }

    .btn-outline {
        @apply inline-block px-8 py-3 border-2 border-black dark:border-white font-bold uppercase tracking-wider hover:bg-black hover:text-white dark:hover:bg-white dark:hover:text-black transition-all rounded-none text-xs md:text-sm;
    }

    /* ===== SCROLL CONTAINER ===== */
    .scroll-box {
        @apply h-[500px] md:h-[600px] overflow-y-auto relative scroll-smooth border-t border-b border-black/10 dark:border-white/10 pr-2 lg:pr-6;
        scrollbar-width: thin;
        scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
        z-index: 1;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        touch-action: pan-y;
    }

    .dark .scroll-box {
        scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
    }

    .scroll-box::-webkit-scrollbar {
        width: 6px;
    }

    .scroll-box::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.05);
    }

    .dark .scroll-box::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.05);
    }

    .scroll-box::-webkit-scrollbar-thumb {
        background: rgba(0, 0, 0, 0.2);
        border-radius: 10px;
    }

    .dark .scroll-box::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.2);
    }

    .scroll-box::-webkit-scrollbar-thumb:hover {
        background: rgba(0, 0, 0, 0.4);
    }

    .dark .scroll-box::-webkit-scrollbar-thumb:hover {
        background: rgba(255, 255, 255, 0.4);
    }

    /* ===== STICKY TITLE ===== */
    .sticky-title {
        @apply lg:sticky lg:top-32 self-start z-10 bg-white dark:bg-black;
        padding-right: 1rem;
    }

    /* ===== TIMELINE ===== */
    .timeline-line {
        @apply absolute left-5 top-0 bottom-0 w-0.5 bg-black/10 dark:bg-white/10;
    }

    /* ===== ANIMATIONS ===== */
    .fade-up {
        opacity: 0;
        transform: translateY(30px);
        animation: fadeUp 0.8s ease forwards;
    }

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

    .delay-100 { animation-delay: 0.1s; }
    .delay-200 { animation-delay: 0.2s; }

    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: all 0.9s cubic-bezier(.19,1,.22,1);
    }

    .reveal.active {
        opacity: 1;
        transform: translateY(0);
    }

    .hero-title span {
        display: inline-block;
        animation: floatText 6s ease-in-out infinite;
    }

    /* ===== UTILITY CLASSES ===== */
    .glass-effect {
        background: rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .soft-shadow {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    }

    .gradient-text {
        background: linear-gradient(135deg, #6366f1, #ec4899);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .floating-animation {
        animation: float 3s ease-in-out infinite;
    }

    .skill-tag {
        @apply transition-all hover:translate-y-[-2px];
    }

    .skill-tag:hover {
        box-shadow: 0 8px 25px rgba(99, 102, 241, 0.2);
    }

    /* ===== BASE STYLES ===== */
    body {
        cursor: default;
    }

    img {
        user-select: none;
    }

    html {
        scroll-behavior: smooth;
    }

}

/* ===== GLOBAL SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #000;
    border-radius: 0;
}

.dark ::-webkit-scrollbar-thumb {
    background: #fff;
}

::-webkit-scrollbar-thumb:hover {
    background: #333;
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #ccc;
}

/* ===== MOBILE MENU ===== */
#mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    position: relative;
    cursor: pointer;
    z-index: 51;
}

#mobile-menu-btn i {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-menu-btn.active i {
    color: #6366f1;
}

#mobile-menu {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-menu:not(.hidden) {
    animation: slideInMenu 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== KEYFRAMES ===== */
@keyframes fadeUp {
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes floatText {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

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

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

@keyframes blink {
    50% { opacity: 0; }
}

@keyframes slide-x {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== RESPONSIVE MEDIA QUERIES ===== */
@media (max-width: 1440px) {
    .sticky-title {
        top: 100px;
    }
    
    h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 1280px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    .scroll-box {
        max-height: 500px;
    }
    
    .sticky-title {
        top: 80px;
    }
    
    .max-w-screen-xl {
        max-width: 85%;
    }
}

@media (max-width: 1080px) {
    body {
        font-size: 15px;
    }
    
    h1 {
        font-size: 2.75rem;
        line-height: 1.1;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .scroll-box {
        max-height: 450px;
        padding-right: 0.75rem;
    }
    
    .sticky-title {
        position: static !important;
        margin-bottom: 2rem;
    }
    
    .gap-12 {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .scroll-box {
        max-height: none;
        overflow-y: auto;
        border-top: none;
        border-bottom: none;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-y;
    }
}
/* register property */
@property --angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

/* base */
.btn-rotating {
  position: relative;
  padding: 0.85rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  overflow: hidden;
  background: white;
  z-index: 0;
}

/* border layer */
.btn-rotating::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(
    from var(--angle),
    transparent 0deg,
    black 120deg,
    transparent 240deg
  );
  opacity: 0;
  transition: opacity .25s ease;
  z-index: -1;
}

/* inner */
.btn-rotating::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: inherit;
  background: white;
  z-index: -1;
}

/* hover */
.btn-rotating:hover::before {
  opacity: 1;
  animation: rotate 1.5s linear infinite;
}

/* animation */
@keyframes rotate {
  to {
    --angle: 360deg;
  }
}

/* dark mode */
.dark .btn-rotating,
.dark .btn-rotating::after {
  background: #0a0a0a;
}

.nav-anim {
  position: relative;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .15em;
  transition: transform .25s ease, opacity .25s ease;
}

/* underline */
.nav-anim::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform .35s ease;
}

/* hover effect */
.nav-anim:hover {
  transform: translateY(-2px);
}

.nav-anim:hover::after {
  transform: translateX(-50%) scaleX(1);
}