/* ========================================
   PREMIUM FONT EFFECTS & ANIMATIONS
   Formula Student Racing Theme
   ======================================== */

/* Typography Base Styling */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1.2;
    margin-bottom: 1rem;
}

/* Display Titles (Extra Large) */
.main-title,
.achievements-hero-title,
.team-hero-content h1,
.cars-hero-content h1 {
    font-family: var(--font-display) !important;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeInZoom 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    opacity: 0;
}

/* Section Titles */
.mission-title,
.subsystems-title,
.section-title,
.section-title-center,
.audio-title {
    font-family: var(--font-heading) !important;
    font-weight: 800;
    letter-spacing: 0.15em;
    animation: fadeInSlideDown 0.8s ease-out forwards;
    animation-delay: 0.3s;
    opacity: 0;
}

/* Headings H2 */
h2 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: clamp(2rem, 5vw, 3.5rem);
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

/* Headings H3 */
h3 {
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: clamp(1.3rem, 3vw, 2rem);
    letter-spacing: 0.08em;
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

/* Paragraphs */
p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    line-height: 1.8;
    letter-spacing: 0.01em;
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

/* Navigation Links */
.nav-links a {
    font-family: var(--font-accent) !important;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Buttons */
button,
.btn-primary,
.btn-secondary,
.know-more-btn {
    font-family: var(--font-accent) !important;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* Stats & Numbers */
.video-stat-number,
.stat-number,
.timeline-year {
    font-family: var(--font-heading) !important;
    font-weight: 900;
}

/* Labels */
.video-stat-label,
.stat-label {
    font-family: var(--font-accent) !important;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ========================================
   FADE-IN ANIMATIONS
   ======================================== */

/* Fade In + Zoom */
@keyframes fadeInZoom {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(30px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Fade In + Slide Up */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(40px);
        filter: blur(3px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

/* Fade In + Slide Down */
@keyframes fadeInSlideDown {
    0% {
        opacity: 0;
        transform: translateY(-30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In + Slide Left */
@keyframes fadeInLeft {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade In + Slide Right */
@keyframes fadeInRight {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade In Only */
@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* Text Reveal (typing effect) */
@keyframes textReveal {
    0% {
        opacity: 0;
        transform: translateY(10px);
        letter-spacing: 0.5em;
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        letter-spacing: 0.1em;
    }
}

/* Glow Fade In */
@keyframes glowFadeIn {
    0% {
        opacity: 0;
        text-shadow: 0 0 0 transparent;
    }
    50% {
        opacity: 0.5;
        text-shadow: 0 0 30px rgba(var(--accent-pink-rgb), 0.8);
    }
    100% {
        opacity: 1;
        text-shadow: 0 0 20px rgba(var(--accent-pink-rgb), 0.5);
    }
}

/* ========================================
   ELEMENT-SPECIFIC ANIMATIONS
   ======================================== */

/* Hero Content */
.hero-content h1,
.hero-content h2 {
    animation: fadeInZoom 1s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.hero-content h1 {
    animation-delay: 0.3s;
}

.hero-content h2 {
    animation-delay: 0.6s;
}

/* Mission Items */
.mission-item h3 {
    animation: fadeInLeft 0.8s ease-out forwards;
    animation-delay: 0.4s;
}

.mission-item.reverse h3 {
    animation: fadeInRight 0.8s ease-out forwards;
    animation-delay: 0.4s;
}

.mission-item p {
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.6s;
}

/* Team Section */
.team-text h2 {
    animation: glowFadeIn 1s ease-out forwards;
    animation-delay: 0.2s;
}

.team-subtitle {
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.4s;
}

.team-point p {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.team-point:nth-child(1) p { animation-delay: 0.5s; }
.team-point:nth-child(2) p { animation-delay: 0.7s; }
.team-point:nth-child(3) p { animation-delay: 0.9s; }

/* Achievement Cards */
.achievement-title {
    font-family: var(--font-heading) !important;
    font-weight: 700;
    letter-spacing: 0.08em;
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.achievement-card:hover .achievement-title {
    animation: textReveal 0.5s ease-out forwards;
}

/* Car Names */
.car-name {
    font-family: var(--font-display) !important;
    font-weight: 900;
    letter-spacing: 0.15em;
}

/* Member Names */
.member-name {
    font-family: var(--font-accent) !important;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.member-role {
    font-family: var(--font-accent) !important;
    font-weight: 600;
    letter-spacing: 0.15em;
}

/* ========================================
   TEXT EFFECTS
   ======================================== */

/* Gradient Text */
.gradient-text {
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Typewriter Effect */
.typewriter-text {
    overflow: hidden;
    border-right: 3px solid var(--accent-pink);
    white-space: nowrap;
    animation: typing 2s steps(30, end), blink 0.75s step-end infinite;
}

@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--accent-pink);
    }
}

/* Glitch Effect */
.glitch-text {
    position: relative;
    animation: glitchAnimation 5s infinite;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.glitch-text::before {
    animation: glitchTop 1s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
    -webkit-clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
}

.glitch-text::after {
    animation: glitchBottom 1.5s infinite;
    clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
    -webkit-clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
}

@keyframes glitchTop {
    0%, 100% {
        transform: translate(0);
    }
    20% {
        transform: translate(-2px, -2px);
    }
    40% {
        transform: translate(-2px, 2px);
    }
    60% {
        transform: translate(2px, -2px);
    }
    80% {
        transform: translate(2px, 2px);
    }
}

@keyframes glitchBottom {
    0%, 100% {
        transform: translate(0);
    }
    20% {
        transform: translate(2px, 2px);
    }
    40% {
        transform: translate(2px, -2px);
    }
    60% {
        transform: translate(-2px, 2px);
    }
    80% {
        transform: translate(-2px, -2px);
    }
}

/* Neon Text Glow */
.neon-text {
    color: #fff;
    text-shadow: 
        0 0 7px #fff,
        0 0 10px #fff,
        0 0 21px #fff,
        0 0 42px var(--accent-pink),
        0 0 82px var(--accent-pink),
        0 0 92px var(--accent-pink),
        0 0 102px var(--accent-pink),
        0 0 151px var(--accent-pink);
    animation: neonPulse 1.5s ease-in-out infinite alternate;
}

@keyframes neonPulse {
    from {
        text-shadow: 
            0 0 7px #fff,
            0 0 10px #fff,
            0 0 21px #fff,
            0 0 42px var(--accent-pink),
            0 0 82px var(--accent-pink),
            0 0 92px var(--accent-pink),
            0 0 102px var(--accent-pink),
            0 0 151px var(--accent-pink);
    }
    to {
        text-shadow: 
            0 0 4px #fff,
            0 0 7px #fff,
            0 0 14px #fff,
            0 0 28px var(--accent-pink),
            0 0 54px var(--accent-pink),
            0 0 64px var(--accent-pink),
            0 0 74px var(--accent-pink),
            0 0 104px var(--accent-pink);
    }
}

/* ========================================
   LOADING TEXT ANIMATION
   ======================================== */

.loading-text {
    font-family: var(--font-display) !important;
    font-weight: 700;
    letter-spacing: 0.1em;
}

/* ========================================
   SCROLL-TRIGGERED ANIMATIONS
   ======================================== */

/* Elements animate when they come into view */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children animations */
.stagger-children > * {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.7s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.8s; }

/* ========================================
   RESPONSIVE FONT SIZES
   ======================================== */

@media (max-width: 768px) {
    h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    h2 {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }
    
    h3 {
        font-size: clamp(1.2rem, 4vw, 1.8rem);
    }
    
    p {
        font-size: clamp(0.9rem, 3vw, 1rem);
        line-height: 1.7;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.font-display { font-family: var(--font-display) !important; }
.font-heading { font-family: var(--font-heading) !important; }
.font-body { font-family: var(--font-body) !important; }
.font-accent { font-family: var(--font-accent) !important; }

.text-glow {
    text-shadow: 0 0 20px rgba(var(--accent-pink-rgb), 0.6),
                 0 0 40px rgba(var(--accent-pink-rgb), 0.3);
}

.text-bold { font-weight: 700; }
.text-black { font-weight: 900; }
.text-medium { font-weight: 500; }
.text-light { font-weight: 300; }

.letter-spacing-wide { letter-spacing: 0.15em; }
.letter-spacing-wider { letter-spacing: 0.2em; }
.letter-spacing-widest { letter-spacing: 0.3em; }