/* ==================== */
/* FONT FACE            */
/* ==================== */
@font-face {
    font-family: 'ClashDisplay';
    src: url('ClashDisplay-Variable.woff2') format('woff2-variations'),
         url('ClashDisplay-Variable.woff2') format('woff2');
    font-weight: 300 700;
    font-style: normal;
    font-display: swap;
}

/* ==================== */
/* CSS CUSTOM PROPERTIES */
/* ==================== */
:root {
    /* Colors */
    --pink: #FF1FA4;
    --navy: #0A1929;
    --white: #FFFFFF;
    
    /* Spacing Scale - responsive with clamp (mobile, fluid, desktop) */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: clamp(0.875rem, 2vw, 1.25rem);
    --space-lg: clamp(1.5rem, 4vw, 2rem);
    --space-xl: clamp(2rem, 5vw, 3rem);
    --space-2xl: clamp(2.5rem, 6vw, 4rem);
    --space-3xl: clamp(3rem, 7vw, 5rem);
    --space-4xl: clamp(3.5rem, 8vw, 6rem);
    
    /* Layout */
    --container-max: 75rem;
    --container-padding: clamp(1.5rem, 4vw, 2.5rem);
    --content-max: 43.75rem;
    
    /* Typography */
    --font-family: 'ClashDisplay', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    color: var(--navy);
    overflow-x: hidden;
    line-height: 1.6;
    touch-action: pan-y pan-x;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==================== */
/* LAYOUT               */
/* ==================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Centered content wrapper - replaces two-column layout */
.centered-content {
    max-width: var(--content-max);
    margin: 0 auto;
}

/* ==================== */
/* TYPOGRAPHY           */
/* ==================== */
.section-label {
    font-size: clamp(0.625rem, 1.5vw, 0.6875rem);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--pink);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

/* ==================== */
/* HEADER               */
/* ==================== */
header {
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

header.scrolled {
    box-shadow: 0 0.125rem 1.25rem rgba(10, 25, 41, 0.08);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: block;
    height: 2rem;
}

.logo svg {
    height: 100%;
    width: auto;
}

nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

nav a {
    text-decoration: none;
    color: var(--navy);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    transition: color 0.3s ease;
}

nav a:hover,
nav a:focus {
    color: var(--pink);
}

/* ==================== */
/* HAMBURGER MENU       */
/* ==================== */
.hamburger {
    display: none;
    width: 1.875rem;
    height: 1.5rem;
    cursor: pointer;
    z-index: 1002;
    background: none;
    border: none;
    position: relative;
    padding: 0;
}

.hamburger .line {
    display: block;
    width: 100%;
    height: 0.125rem;
    background: var(--navy);
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.hamburger .line-1 { top: 0.125rem; }
.hamburger .line-2 { top: 50%; transform: translateY(-50%); }
.hamburger .line-3 { bottom: 0.125rem; }

.hamburger.active .line-1 {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.hamburger.active .line-2 {
    opacity: 0;
}

.hamburger.active .line-3 {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--navy);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--white);
    font-size: clamp(1.5rem, 4vw, 1.75rem);
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.mobile-menu a:hover,
.mobile-menu a:focus {
    color: var(--pink);
}

/* ==================== */
/* HERO SECTION         */
/* ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--space-2xl);
    background: var(--navy);
    color: var(--white);
}

.hero h1 {
    font-size: clamp(2.5rem, 10vw, 7.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    word-spacing: 0.1em;
    line-height: 1.05;
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: clamp(1.25rem, 4vw, 2.25rem);
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.hero-dot {
    width: clamp(3rem, 5vw, 3.75rem);
    height: clamp(3rem, 5vw, 3.75rem);
    margin: 0 auto;
}

/* ==================== */
/* INTRO SECTION        */
/* ==================== */
.intro-section {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

.intro-headline {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.intro-block {
    margin-bottom: var(--space-md);
}

.intro-block:last-child {
    margin-bottom: 0;
}

.intro-block p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
    opacity: 0.85;
}

.intro-block .section-label {
    margin-bottom: var(--space-sm);
}

/* ==================== */
/* PARTNERS SECTION     */
/* ==================== */
.partners-section {
    padding: var(--space-2xl) 0;
    background: var(--navy);
    text-align: center;
}

.partners-label {
    font-size: clamp(0.625rem, 1.5vw, 0.6875rem);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--pink);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.partners-carousel {
    position: relative;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.partners-track {
    display: flex;
    gap: var(--space-lg);
    transition: transform 0.5s ease;
}

.partner-circle {
    flex: 0 0 clamp(5rem, 10vw, 6.25rem);
    width: clamp(5rem, 10vw, 6.25rem);
    height: clamp(5rem, 10vw, 6.25rem);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, background 0.3s ease;
}

@media (max-width: 48rem) {
    .partner-circle {
        flex: 0 0 4.5rem;
        width: 4.5rem;
        height: 4.5rem;
    }
}

@media (max-width: 30rem) {
    .partner-circle {
        flex: 0 0 5rem;
        width: 5rem;
        height: 5rem;
    }
}

.partner-circle:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.15);
}

.partner-circle img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
}

.partners-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.partners-controls .carousel-btn {
    border-color: var(--white);
    color: var(--white);
}

.partners-controls .carousel-btn:hover,
.partners-controls .carousel-btn:focus {
    background: var(--white);
    color: var(--navy);
}

.partners-controls .carousel-btn:disabled {
    opacity: 0.3;
}

.partners-controls .carousel-btn:disabled:hover {
    background: transparent;
    color: var(--white);
}

/* ==================== */
/* TESTIMONIALS         */
/* ==================== */
.testimonials-section {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

.testimonials-section > .container > .section-label {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.testimonials-carousel {
    position: relative;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.testimonials-track {
    display: flex;
    gap: var(--space-lg);
    transition: transform 0.5s ease;
}

.testimonial {
    flex: 0 0 calc((100% - var(--space-lg)) / 2);
    padding: var(--space-lg);
    padding-bottom: 0.25rem;
    background: var(--navy);
    color: var(--white);
    border-radius: 0.5rem;
    transition: transform 0.3s ease;
}

.testimonial:hover {
    transform: translateY(-0.3125rem);
}

.quote-mark {
    width: clamp(2.5rem, 5vw, 3.125rem);
    height: auto;
    margin-bottom: var(--space-md);
}

.testimonial blockquote {
    margin: 0;
}

.testimonial p {
    font-size: clamp(0.9375rem, 2vw, 1.0625rem);
    line-height: 1.8;
    margin-bottom: 0.25rem;
    opacity: 0.9;
}

.testimonial-author {
    font-style: normal;
    margin-bottom: 0;
}

.testimonial-author strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pink);
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    font-size: 0.8125rem;
    opacity: 0.6;
    line-height: 1.4;
    display: block;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.carousel-btn {
    width: 3rem;
    height: 3rem;
    border: 0.125rem solid var(--navy);
    border-radius: 50%;
    background: transparent;
    color: var(--navy);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-family: inherit;
    touch-action: manipulation;
}

.carousel-btn:hover,
.carousel-btn:focus {
    background: var(--navy);
    color: var(--white);
    transform: scale(1.05);
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-btn:disabled:hover {
    background: transparent;
    color: var(--navy);
    transform: scale(1);
}

.carousel-btn svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* Responsive testimonial sizing */
@media (min-width: 48.0625rem) {
    .testimonial {
        padding: var(--space-md);
        padding-bottom: 0.25rem;
    }
}

@media (max-width: 48rem) {
    .testimonial {
        flex: 0 0 100%;
        padding: var(--space-md);
        padding-bottom: 0.25rem;
    }
    
    .testimonial p {
        font-size: 0.9375rem;
        line-height: 1.6;
        margin-bottom: var(--space-xs);
    }
    
    .quote-mark {
        width: 2rem;
        margin-bottom: var(--space-xs);
    }
    
    .testimonial-author {
        margin-top: var(--space-xs);
    }
}

/* ==================== */
/* SERVICES SECTION     */
/* ==================== */
.services-section {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

.services-title {
    font-size: clamp(1.5rem, 4vw, 2.625rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.services-toggle {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.toggle-btn {
    padding: 0.75rem 1.75rem;
    border: 0.125rem solid var(--navy);
    border-radius: 6.25rem;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: transparent;
    color: var(--navy);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.toggle-btn:hover,
.toggle-btn:focus {
    background: var(--navy);
    color: var(--white);
}

.toggle-btn.active {
    background: var(--navy);
    color: var(--white);
}

.services-list {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease;
}

.services-list.active {
    max-height: 50rem;
    opacity: 1;
}

.services-list[hidden] {
    display: none;
}

.services-list li {
    font-size: clamp(1rem, 2vw, 1.125rem);
    padding: var(--space-md) 0;
    border-bottom: 0.0625rem solid rgba(10, 25, 41, 0.15);
}

.services-list li:first-child {
    border-top: 0.0625rem solid rgba(10, 25, 41, 0.15);
}

/* ==================== */
/* ABOUT SECTION        */
/* ==================== */
.about-section {
    padding: var(--space-2xl) 0 var(--space-3xl);
    background: var(--white);
}

.about-content-inner p {
    font-size: clamp(0.9375rem, 2vw, 1.0625rem);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    opacity: 0.85;
}

.about-content-inner p:last-of-type {
    margin-bottom: 0;
}

/* ==================== */
/* BOOK DOWNLOAD SECTION */
/* ==================== */
.book-section {
    padding: var(--space-3xl) 0 var(--space-3xl);
    margin-bottom: var(--space-3xl);
    background: var(--white);
}

.book-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: stretch;
}

.book-text {
    padding-right: var(--space-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.book-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: var(--space-md);
    color: var(--navy);
}

.book-description {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
    opacity: 0.85;
    margin-bottom: var(--space-lg);
}

.download-btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--navy);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 0.125rem solid var(--navy);
    border-radius: 6.25rem;
    transition: all 0.3s ease;
    width: fit-content;
    text-align: center;
}

.download-btn:hover,
.download-btn:focus {
    background: var(--navy);
    color: var(--white);
    transform: translateY(-0.125rem);
}

.book-image {
    background: var(--pink);
    border-radius: 0.5rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    min-height: 20rem;
}

.book-image img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.book-image img:hover {
    transform: scale(1.02);
}

/* ==================== */
/* FOOTER               */
/* ==================== */
footer {
    background: var(--navy);
    color: var(--white);
    padding: var(--space-3xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
}

/* Top section: Tagline + LinkedIn */
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-lg);
}

.footer-tagline-wrapper {
    max-width: 37.5rem;
}

.footer-tagline {
    font-size: clamp(1.5rem, 4vw, 2.375rem);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.footer-intro {
    font-size: clamp(1rem, 2vw, 1.125rem);
    font-weight: 500;
    line-height: 1.6;
}

.linkedin-icon {
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
    flex-shrink: 0;
}

.linkedin-icon:hover,
.linkedin-icon:focus {
    transform: scale(1.1);
    opacity: 0.8;
}

.linkedin-icon svg {
    width: clamp(2.5rem, 4vw, 3.125rem);
    height: clamp(2.5rem, 4vw, 3.125rem);
}

/* Bottom section: Contact + Logo */
.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
}

.contact-details {
    font-style: normal;
}

.contact-details a {
    display: block;
    color: var(--white);
    text-decoration: none;
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 600;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.contact-details a:hover,
.contact-details a:focus {
    color: var(--pink);
}

.contact-details .email-link {
    text-decoration: underline;
}

.footer-logo svg {
    height: clamp(3rem, 6vw, 4.375rem);
    width: auto;
}
    width: clamp(2.5rem, 4vw, 3.125rem);
    height: clamp(2.5rem, 4vw, 3.125rem);
}

/* ==================== */
/* ANIMATIONS           */
/* ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(1.875rem);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ==================== */
/* RESPONSIVE           */
/* ==================== */
@media (max-width: 48rem) {
    nav ul {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .centered-content {
        max-width: 100%;
    }
    
    /* Book section - stack on mobile */
    .book-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .book-text {
        padding-right: 0;
        order: 1;
    }
    
    .book-image {
        order: 2;
        min-height: 15rem;
    }
    
    .book-image img {
        max-width: 80%;
    }
    
    /* Stack footer top content on mobile */
    .footer-top {
        flex-direction: column;
    }
}

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

/* ==================== */
/* FOCUS STYLES         */
/* ==================== */
:focus-visible {
    outline: 0.125rem solid var(--pink);
    outline-offset: 0.125rem;
}

/* Prevent zoom on button taps */
button {
    touch-action: manipulation;
}