/* =====================================================
   SEMAPHOR SURGICAL - DESIGN SYSTEM
   Brand Colors and Typography from Moon Deck
   ===================================================== */

/* =====================================================
   CSS VARIABLES / DESIGN TOKENS
   ===================================================== */

:root {
    /* Colors - Semaphor Brand Palette from Moon Deck */
    --color-background: #ffffff;
    --color-background-pure: #ffffff;
    --color-surface: #f8f8f8;
    --color-surface-hover: #f0f0f0;

    /* Text Colors - From Moon Deck */
    --color-text-primary: #1F1F1F;
    --color-text-secondary: #333333;
    --color-text-muted: #7A7F87;
    --color-text-light: #999999;

    /* Accent - Semaphor Blue from Moon Deck */
    --color-accent: #042D72;
    --color-accent-light: #66A9FB;
    --color-accent-bright: #2977F8;
    --color-accent-glow: rgba(41, 119, 248, 0.15);
    --color-accent-hover: #03245d;

    /* Borders */
    --color-border: #e0e0e0;
    --color-border-light: #f0f0f0;

    /* Typography - Helvetica Now (with system fallbacks) */
    --font-primary: 'Helvetica Now', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-display: 'Helvetica Now Bold', 'Helvetica Now', 'Helvetica Neue', Helvetica, sans-serif;
    --font-light: 'Helvetica Now Light', 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.75rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Line Heights */
    --leading-tight: 1.1;
    --leading-snug: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* Letter Spacing */
    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Layout */
    --max-width: 1100px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

/* =====================================================
   RESET & BASE STYLES
   ===================================================== */

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

/* Subtle background logo decoration */
.background-logo {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 500px;
    height: 350px;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 1;
    -webkit-animation: floatLogo 20s ease-in-out infinite;
    animation: floatLogo 20s ease-in-out infinite;
}

.background-logo__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.03;
}

@-webkit-keyframes floatLogo {

    0%,
    100% {
        -webkit-transform: translate(-50%, -50%) scale(1);
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        -webkit-transform: translate(-50%, -52%) scale(1.02);
        transform: translate(-50%, -52%) scale(1.02);
    }
}

@keyframes floatLogo {

    0%,
    100% {
        -webkit-transform: translate(-50%, -50%) scale(1);
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        -webkit-transform: translate(-50%, -52%) scale(1.02);
        transform: translate(-50%, -52%) scale(1.02);
    }
}

/* Ambient Glow Effect (Lila-inspired) */
.ambient-glow {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 9999;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, var(--color-accent-glow), transparent),
        radial-gradient(ellipse 60% 40% at 0% 50%, rgba(91, 164, 212, 0.05), transparent),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(91, 164, 212, 0.05), transparent);
    opacity: 0.6;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
    letter-spacing: var(--tracking-tight);
}

h1 {
    font-size: var(--text-5xl);
}

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-xl);
}

h4 {
    font-size: var(--text-lg);
}

p {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    line-height: 1;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-text-primary);
    color: var(--color-background);
    border-color: var(--color-text-primary);
}

.btn--primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(91, 164, 212, 0.2);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn--secondary:hover {
    border-color: var(--color-text-primary);
}

.btn--nav {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-xs);
}

/* =====================================================
   HEADER
   ===================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: transparent;
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(253, 252, 250, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.header__container {
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--space-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    display: flex;
    align-items: center;
}

.header__logo-img {
    height: 80px;
    width: auto;
}

/* Navigation */
.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-10);
    list-style: none;
}

.nav__link {
    font-size: var(--text-sm);
    font-weight: var(--font-normal);
    color: var(--color-text-muted);
    letter-spacing: var(--tracking-wide);
    transition: color var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-text-primary);
}

/* Mobile Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav__toggle-line {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* =====================================================
   HERO SECTION
   ===================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background-color: var(--color-background);
    position: relative;
    overflow: hidden;
}

.hero__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-32) var(--space-8);
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 720px;
}

.hero__label {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-normal);
    font-style: italic;
    color: var(--color-text-muted);
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-6);
}

.hero__title {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: var(--font-semibold);
    line-height: 1.05;
    margin-bottom: var(--space-10);
    color: var(--color-text-primary);
    letter-spacing: -0.03em;
}

.hero__text {
    max-width: 580px;
}

.hero__description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.hero__cta {
    margin-top: var(--space-12);
}

/* Hero Decoration */
.hero__decoration {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    opacity: 0.6;
}

.hero__arc {
    width: 100%;
    height: 100%;
    animation: rotate 60s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* =====================================================
   SECTION STYLES
   ===================================================== */

.section__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-32) var(--space-8);
}

.section__header {
    margin-bottom: var(--space-16);
}

.team .section__header,
.investors .section__header {
    text-align: center;
}

.section__label {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-normal);
    font-style: italic;
    color: var(--color-text-muted);
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-3);
}

.section__title {
    font-size: var(--text-4xl);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

/* =====================================================
   TEAM SECTION
   ===================================================== */

.team {
    background-color: var(--color-background);
    position: relative;
}

.team::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--color-border));
}

.team__founders {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.team__members {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-10);
}

.team__member {
    text-align: center;
}

.team__member-image {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-5);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-surface);
    position: relative;
}

.team__member-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #e8e7e3 0%, #d9d8d4 100%);
}

.team__member-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.team__member:hover .team__member-photo {
    transform: scale(1.05);
}

.team__member-name {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
    letter-spacing: -0.01em;
}

.team__member-role {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: var(--font-normal);
    line-height: 1.4;
}

.team__member-subtitle {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    font-weight: var(--font-normal);
}

/* =====================================================
   INVESTORS SECTION
   ===================================================== */

.investors {
    background-color: var(--color-background);
    position: relative;
}

.investors::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--color-border));
}

.investors__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-10) var(--space-8);
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.investor {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background-color: transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    width: 100%;
}

.investor:hover {
    transform: translateY(-2px);
}

.investor__logo {
    height: 35px;
    max-width: 120px;
    width: auto;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity var(--transition-base);
    filter: grayscale(100%);
}

.investor:hover .investor__logo {
    opacity: 1;
    filter: grayscale(0%);
}

.investor__name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    text-align: center;
    letter-spacing: var(--tracking-wide);
}

/* =====================================================
   CTA SECTION
   ===================================================== */

.cta {
    background-color: var(--color-surface);
    padding: var(--space-16) 0;
}

.cta__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-6);
}

.cta__text {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    font-weight: var(--font-normal);
}

/* =====================================================
   FOOTER
   ===================================================== */

.footer {
    background-color: var(--color-background);
    padding: var(--space-16) 0;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-border), transparent);
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.footer__main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-10);
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer__logo {
    height: 24px;
    width: auto;
    opacity: 0.8;
}

.footer__tagline {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    font-family: var(--font-mono);
    letter-spacing: var(--tracking-wide);
}

.footer__email {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: var(--font-normal);
    transition: color var(--transition-fast);
}

.footer__email:hover {
    color: var(--color-accent);
}

.footer__bottom {
    text-align: center;
}

.footer__copyright {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    letter-spacing: var(--tracking-wide);
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 1024px) {
    .team__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .investors__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero__decoration {
        width: 300px;
        height: 300px;
        right: 0;
        opacity: 0.4;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    /* Mobile Navigation */
    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(253, 252, 250, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: var(--space-8);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 999;
    }

    .nav.active {
        transform: translateX(0);
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-6);
    }

    .nav__link {
        font-size: var(--text-xl);
    }

    .nav__toggle {
        display: flex;
    }

    /* Hero */
    .hero__title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero__description {
        font-size: var(--text-base);
    }

    .hero__decoration {
        display: none;
    }

    /* Team */
    .team__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8) var(--space-6);
    }

    .team__member-image {
        width: 100px;
        height: 100px;
    }

    .team__member-name {
        font-size: var(--text-sm);
    }

    .team__member-role {
        font-size: var(--text-xs);
    }

    /* Investors */
    .investors__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .investor {
        padding: var(--space-4) var(--space-3);
    }

    .investor__name {
        font-size: var(--text-xs);
    }

    /* Footer */
    .footer__main {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-6);
    }

    .footer__brand {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .section__container {
        padding: var(--space-20) var(--space-4);
    }

    .hero__container {
        padding: var(--space-20) var(--space-4);
    }

    .team__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6) var(--space-4);
    }

    .team__member-image {
        width: 80px;
        height: 80px;
    }
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* 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;
    }

    .ambient-glow {
        display: none;
    }
}